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-154=-12.6x-4.9x
We move all terms to the left:
-154-(-12.6x-4.9x)=0
We add all the numbers together, and all the variables
-(-17.5x)-154=0
We get rid of parentheses
17.5x-154=0
We move all terms containing x to the left, all other terms to the right
17.5x=154
x=154/17.5
x=8+14/17.5
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