x+7=40+4x

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Solution for x+7=40+4x equation:


Simplifying
x + 7 = 40 + 4x

Reorder the terms:
7 + x = 40 + 4x

Solving
7 + x = 40 + 4x

Solving for variable 'x'.

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

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

Combine like terms: x + -4x = -3x
7 + -3x = 40 + 4x + -4x

Combine like terms: 4x + -4x = 0
7 + -3x = 40 + 0
7 + -3x = 40

Add '-7' to each side of the equation.
7 + -7 + -3x = 40 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = 40 + -7
-3x = 40 + -7

Combine like terms: 40 + -7 = 33
-3x = 33

Divide each side by '-3'.
x = -11

Simplifying
x = -11

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