4x+40=13-5x

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Solution for 4x+40=13-5x equation:


Simplifying
4x + 40 = 13 + -5x

Reorder the terms:
40 + 4x = 13 + -5x

Solving
40 + 4x = 13 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
40 + 4x + 5x = 13 + -5x + 5x

Combine like terms: 4x + 5x = 9x
40 + 9x = 13 + -5x + 5x

Combine like terms: -5x + 5x = 0
40 + 9x = 13 + 0
40 + 9x = 13

Add '-40' to each side of the equation.
40 + -40 + 9x = 13 + -40

Combine like terms: 40 + -40 = 0
0 + 9x = 13 + -40
9x = 13 + -40

Combine like terms: 13 + -40 = -27
9x = -27

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

Simplifying
x = -3

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