4(-3+x)=-40

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


Simplifying
4(-3 + x) = -40
(-3 * 4 + x * 4) = -40
(-12 + 4x) = -40

Solving
-12 + 4x = -40

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 4x = -40 + 12

Combine like terms: -12 + 12 = 0
0 + 4x = -40 + 12
4x = -40 + 12

Combine like terms: -40 + 12 = -28
4x = -28

Divide each side by '4'.
x = -7

Simplifying
x = -7

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