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10(4x-5)=-130
We move all terms to the left:
10(4x-5)-(-130)=0
We add all the numbers together, and all the variables
10(4x-5)+130=0
We multiply parentheses
40x-50+130=0
We add all the numbers together, and all the variables
40x+80=0
We move all terms containing x to the left, all other terms to the right
40x=-80
x=-80/40
x=-2
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