78=-4(3x-4)+2

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Solution for 78=-4(3x-4)+2 equation:



78=-4(3x-4)+2
We move all terms to the left:
78-(-4(3x-4)+2)=0
We calculate terms in parentheses: -(-4(3x-4)+2), so:
-4(3x-4)+2
We multiply parentheses
-12x+16+2
We add all the numbers together, and all the variables
-12x+18
Back to the equation:
-(-12x+18)
We get rid of parentheses
12x-18+78=0
We add all the numbers together, and all the variables
12x+60=0
We move all terms containing x to the left, all other terms to the right
12x=-60
x=-60/12
x=-5

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