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112.72=7.5x+6.7x+8.7+7.5
We move all terms to the left:
112.72-(7.5x+6.7x+8.7+7.5)=0
We add all the numbers together, and all the variables
-(14.2x+16.2)+112.72=0
We get rid of parentheses
-14.2x-16.2+112.72=0
We add all the numbers together, and all the variables
-14.2x+96.52=0
We move all terms containing x to the left, all other terms to the right
-14.2x=-96.52
x=-96.52/-14.2
x=6+8.5757575757575/10.757575757576
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