document.write( "Question 155953: 0.3x-0.2y=4
\n" );
document.write( "0.2x+0.5y=-3
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #114901 by Electrified_Levi(103)![]() ![]() ![]() You can put this solution on YOUR website! Hi, Hope I can help \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "If you are trying to find the solution to the two equations, this is the way I do it. \n" ); document.write( ". \n" ); document.write( "First, we will multiply each equation by 10(multiply each side of the two equations by 10)(you don't have to, but it will get rid of the decimal point) \n" ); document.write( ". \n" ); document.write( "We will multiply \n" ); document.write( ". \n" ); document.write( "First equation = \n" ); document.write( ". \n" ); document.write( "Second equation = \n" ); document.write( ". \n" ); document.write( "The two new equations \n" ); document.write( ". \n" ); document.write( "First equation = \n" ); document.write( ". \n" ); document.write( "Second equation = \n" ); document.write( ". \n" ); document.write( "Now we can start solving \n" ); document.write( ". \n" ); document.write( "First, solve for a letter in each equation(doesn't matter which letter) we will solve for \"x\" \n" ); document.write( ". \n" ); document.write( "First equation = \n" ); document.write( ". \n" ); document.write( "We will move (-2y) to the right side \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will rearrange the right side \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will divide by \"3\" to get \"x\" \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Our first answer = \n" ); document.write( ". \n" ); document.write( "Now we will solve our second equation \n" ); document.write( ". \n" ); document.write( "We will move \"5y\" to the right side \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "If we rearrange we will get \n" ); document.write( ". \n" ); document.write( "We need to divide by \"2\" to get \"x\" \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Our second answer = \n" ); document.write( ". \n" ); document.write( "Our two answers we got are \n" ); document.write( ". \n" ); document.write( "Answer 1 = \n" ); document.write( ". \n" ); document.write( "Answer 2 = \n" ); document.write( ". \n" ); document.write( "We will now put the two answers together in an equation (since they equal the same letter \"x\", they equal each other) \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Now we will start solving for \"y\", we will cross multiply \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "we will get \n" ); document.write( ". \n" ); document.write( "when we use distribution, we get \n" ); document.write( ". \n" ); document.write( "We will move (-15y) to the left \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will move the \"80\" to the right \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will now divide each side by \"19\" to get \"y\" \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We found that \"y\" = \n" ); document.write( ". \n" ); document.write( "We can replace \"y\" with \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We will use the first equation(replace \"y\" with \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "double negative \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "we will move \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "we need to change the \"40\" , 40 = \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "No we will divide each side by \"3\" to get our answer \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Our \"x\" = \n" ); document.write( ". \n" ); document.write( "Equation 1 = \n" ); document.write( ". \n" ); document.write( "Equation 2 = \n" ); document.write( ". \n" ); document.write( "\"x\" = \n" ); document.write( ". \n" ); document.write( "\"y\" = \n" ); document.write( ". \n" ); document.write( "We will replace \"x\" and \"y\" \n" ); document.write( ". \n" ); document.write( "Equation 1 = \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "We can replace \"x\" and \"y\" in our second equation ( 0.2 = \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "\"x\" = \n" ); document.write( ". \n" ); document.write( "\"y\" = \n" ); document.write( ". \n" ); document.write( "solution set = (x,y), our solution set = ( \n" ); document.write( ". \n" ); document.write( "Hope I helped,Levi \n" ); document.write( " |