document.write( "Question 153434: 18-2/11a=5/11a-19 \n" ); document.write( "
Algebra.Com's Answer #113034 by sbarbagallo(4)![]() ![]() ![]() You can put this solution on YOUR website! 18-(2)/(11a)=(5)/(11a)-19\r \n" ); document.write( "\n" ); document.write( "Since 18 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 18 from both sides. \n" ); document.write( "-(2)/(11a)=-18+(5)/(11a)-19\r \n" ); document.write( "\n" ); document.write( "Simplify the right-hand side of the equation. \n" ); document.write( "-(2)/(11a)=-(407a-5)/(11a)\r \n" ); document.write( "\n" ); document.write( "Since there is one rational expression on each side of the equation, this can be solved as a ratio. For example, (A)/(B)=(C)/(D) is equivalent to A*D=B*C. \n" ); document.write( "-2*11a=-(407a-5)*11a\r \n" ); document.write( "\n" ); document.write( "Since a is on the right-hand side of the equation, switch the sides so it is on the left-hand side of the equation. \n" ); document.write( "-(407a-5)*11a=-2*11a\r \n" ); document.write( "\n" ); document.write( "Multiply -1 by 11a to get -11a. \n" ); document.write( "-11a(407a-5)=-2*11a\r \n" ); document.write( "\n" ); document.write( "Multiply -2 by 11a to get -22a. \n" ); document.write( "-11a(407a-5)=-22a\r \n" ); document.write( "\n" ); document.write( "Multiply -11a by each term inside the parenthesis (407a-5). \n" ); document.write( "(-11a(407a)-11a(-5))=-22a\r \n" ); document.write( "\n" ); document.write( "Complete the multiplication of -11a by each term inside the parenthesis. \n" ); document.write( "(-4477a^(2)+55a)=-22a\r \n" ); document.write( "\n" ); document.write( "Remove the parenthesis around the expression -4477a^(2)+55a. \n" ); document.write( "-4477a^(2)+55a=-22a\r \n" ); document.write( "\n" ); document.write( "Since -22a contains the variable to solve for, move it to the left-hand side of the equation by adding 22a to both sides. \n" ); document.write( "-4477a^(2)+55a+22a=0\r \n" ); document.write( "\n" ); document.write( "Since 55a and 22a are like terms, add 22a to 55a to get 77a. \n" ); document.write( "-4477a^(2)+77a=0\r \n" ); document.write( "\n" ); document.write( "Multiply each term in the equation by -1. \n" ); document.write( "-4477a^(2)*-1+77a*-1=0*-1\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by multiplying out all the terms. \n" ); document.write( "4477a^(2)-77a=0*-1\r \n" ); document.write( "\n" ); document.write( "Multiply 0 by -1 to get 0. \n" ); document.write( "4477a^(2)-77a=0\r \n" ); document.write( "\n" ); document.write( "Factor out the GCF of 11a from each term in the polynomial. \n" ); document.write( "11a(407a)+11a(-7)=0\r \n" ); document.write( "\n" ); document.write( "Factor out the GCF of 11a from 4477a^(2)-77a. \n" ); document.write( "11a(407a-7)=0\r \n" ); document.write( "\n" ); document.write( "Set the single term factor on the left-hand side of the equation equal to 0. \n" ); document.write( "11a=0\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by 11. \n" ); document.write( "(11a)/(11)=(0)/(11)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common terms. \n" ); document.write( "a=(0)/(11)\r \n" ); document.write( "\n" ); document.write( "0 divided by any number or variable is 0. \n" ); document.write( "a=0\r \n" ); document.write( "\n" ); document.write( "Set each of the factors of the left-hand side of the equation equal to 0. \n" ); document.write( "407a-7=0\r \n" ); document.write( "\n" ); document.write( "Since -7 does not contain the variable to solve for, move it to the right-hand side of the equation by adding 7 to both sides. \n" ); document.write( "407a=7\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by 407. \n" ); document.write( "(407a)/(407)=(7)/(407)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common terms. \n" ); document.write( "a=(7)/(407)\r \n" ); document.write( "\n" ); document.write( "The complete solution is the set of the individual solutions. \n" ); document.write( "a=0,(7)/(407) \n" ); document.write( " |