x+40=4x+13

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Solution for x+40=4x+13 equation:


Simplifying
x + 40 = 4x + 13

Reorder the terms:
40 + x = 4x + 13

Reorder the terms:
40 + x = 13 + 4x

Solving
40 + x = 13 + 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.
40 + x + -4x = 13 + 4x + -4x

Combine like terms: x + -4x = -3x
40 + -3x = 13 + 4x + -4x

Combine like terms: 4x + -4x = 0
40 + -3x = 13 + 0
40 + -3x = 13

Add '-40' to each side of the equation.
40 + -40 + -3x = 13 + -40

Combine like terms: 40 + -40 = 0
0 + -3x = 13 + -40
-3x = 13 + -40

Combine like terms: 13 + -40 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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