7(10-x)=9(8x+4)

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Solution for 7(10-x)=9(8x+4) equation:



7(10-x)=9(8x+4)
We move all terms to the left:
7(10-x)-(9(8x+4))=0
We add all the numbers together, and all the variables
7(-1x+10)-(9(8x+4))=0
We multiply parentheses
-7x-(9(8x+4))+70=0
We calculate terms in parentheses: -(9(8x+4)), so:
9(8x+4)
We multiply parentheses
72x+36
Back to the equation:
-(72x+36)
We get rid of parentheses
-7x-72x-36+70=0
We add all the numbers together, and all the variables
-79x+34=0
We move all terms containing x to the left, all other terms to the right
-79x=-34
x=-34/-79
x=34/79

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