document.write( "Question 21364: 3(x-6)=-2x-3\r
\n" );
document.write( "\n" );
document.write( "{2x-5)=7\r
\n" );
document.write( "\n" );
document.write( "Graph:
\n" );
document.write( "y=-2x+1\r
\n" );
document.write( "\n" );
document.write( "3x-2y=8\r
\n" );
document.write( "\n" );
document.write( "Inequality:
\n" );
document.write( "16-3x<5x\r
\n" );
document.write( "\n" );
document.write( "72< -12x
\n" );
document.write( " -\r
\n" );
document.write( "\n" );
document.write( "please help me solve these \n" );
document.write( "
Algebra.Com's Answer #10273 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! 1)3(x-6)=-2x-3 \n" ); document.write( "Distribute the 3 on the left of the =; \n" ); document.write( "3x-18=-2x-3 \n" ); document.write( "add 2x to both sides; \n" ); document.write( "3x-18+2x=-2x-3+2x \n" ); document.write( "5x-18=-3 \n" ); document.write( "add 18 to both sides; \n" ); document.write( "5x-18+18=-3+18 \n" ); document.write( "5x=15 \n" ); document.write( "divide both sides by 5; \n" ); document.write( "x=3 \n" ); document.write( "2)(2x-5)=7 \n" ); document.write( "ad 5 to both sides; \n" ); document.write( "2x-5+5=7+5 \n" ); document.write( "2x=12 \n" ); document.write( "divide both sides by 2; \n" ); document.write( "x=6\r \n" ); document.write( "\n" ); document.write( "Graph: \n" ); document.write( "For these you choose an integer for x and then solve for y, you need to choose 3 integers so you can get a line on the graph. \n" ); document.write( "y=-2x+1 \n" ); document.write( "1)x=1 \n" ); document.write( "y=-2(1)+1 \n" ); document.write( "y=-2+1 \n" ); document.write( "y=-1 \n" ); document.write( "2)x=0 \n" ); document.write( "y=-2(0)+1 \n" ); document.write( "y=1 \n" ); document.write( "3)x=2 \n" ); document.write( "y=-2(2)+1 \n" ); document.write( "y=-4+1 \n" ); document.write( "y=-3 \n" ); document.write( "so your points are: (1,-1) (0,1) (2,-3) \n" ); document.write( "Can you do the next by yourself? \n" ); document.write( "3x-2y=8\r \n" ); document.write( "\n" ); document.write( "Inequality: \n" ); document.write( "solving these by treating the inequality sign just as an = sign, \n" ); document.write( "16-3x<5x \n" ); document.write( "add 3x to both sides; \n" ); document.write( "16<5x+3x \n" ); document.write( "16<8x \n" ); document.write( "Divide both sides by 8; \n" ); document.write( "2 \n" ); document.write( "72< -12x \n" ); document.write( " \n" ); document.write( "-6>x \n" ); document.write( "Hope you understand \n" ); document.write( "=)\r \n" ); document.write( "\n" ); document.write( " |