x+4=40-3x

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


Simplifying
x + 4 = 40 + -3x

Reorder the terms:
4 + x = 40 + -3x

Solving
4 + x = 40 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
4 + x + 3x = 40 + -3x + 3x

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

Combine like terms: -3x + 3x = 0
4 + 4x = 40 + 0
4 + 4x = 40

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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