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-2(-5+4x)=30
We move all terms to the left:
-2(-5+4x)-(30)=0
We add all the numbers together, and all the variables
-2(4x-5)-30=0
We multiply parentheses
-8x+10-30=0
We add all the numbers together, and all the variables
-8x-20=0
We move all terms containing x to the left, all other terms to the right
-8x=20
x=20/-8
x=-2+1/2
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