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-4x+2+5x=-20+25
We move all terms to the left:
-4x+2+5x-(-20+25)=0
We add all the numbers together, and all the variables
-4x+5x+2-5=0
We add all the numbers together, and all the variables
x-3=0
We move all terms containing x to the left, all other terms to the right
x=3
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