51=-4(7x+3)-3(4-x)

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Solution for 51=-4(7x+3)-3(4-x) equation:



51=-4(7x+3)-3(4-x)
We move all terms to the left:
51-(-4(7x+3)-3(4-x))=0
We add all the numbers together, and all the variables
-(-4(7x+3)-3(-1x+4))+51=0
We calculate terms in parentheses: -(-4(7x+3)-3(-1x+4)), so:
-4(7x+3)-3(-1x+4)
We multiply parentheses
-28x+3x-12-12
We add all the numbers together, and all the variables
-25x-24
Back to the equation:
-(-25x-24)
We get rid of parentheses
25x+24+51=0
We add all the numbers together, and all the variables
25x+75=0
We move all terms containing x to the left, all other terms to the right
25x=-75
x=-75/25
x=-3

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