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-4(2.5x+2.25)=-49
We move all terms to the left:
-4(2.5x+2.25)-(-49)=0
We add all the numbers together, and all the variables
-4(2.5x+2.25)+49=0
We multiply parentheses
-8x-9+49=0
We add all the numbers together, and all the variables
-8x+40=0
We move all terms containing x to the left, all other terms to the right
-8x=-40
x=-40/-8
x=+5
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