3x+4(7x+40)=-57

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Solution for 3x+4(7x+40)=-57 equation:


Simplifying
3x + 4(7x + 40) = -57

Reorder the terms:
3x + 4(40 + 7x) = -57
3x + (40 * 4 + 7x * 4) = -57
3x + (160 + 28x) = -57

Reorder the terms:
160 + 3x + 28x = -57

Combine like terms: 3x + 28x = 31x
160 + 31x = -57

Solving
160 + 31x = -57

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-160' to each side of the equation.
160 + -160 + 31x = -57 + -160

Combine like terms: 160 + -160 = 0
0 + 31x = -57 + -160
31x = -57 + -160

Combine like terms: -57 + -160 = -217
31x = -217

Divide each side by '31'.
x = -7

Simplifying
x = -7

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