-4+3x+x=-40

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


Simplifying
-4 + 3x + x = -40

Combine like terms: 3x + x = 4x
-4 + 4x = -40

Solving
-4 + 4x = -40

Solving for variable 'x'.

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

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

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

Combine like terms: -40 + 4 = -36
4x = -36

Divide each side by '4'.
x = -9

Simplifying
x = -9

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