12x+13x=7x-7

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Solution for 12x+13x=7x-7 equation:


Simplifying
12x + 13x = 7x + -7

Combine like terms: 12x + 13x = 25x
25x = 7x + -7

Reorder the terms:
25x = -7 + 7x

Solving
25x = -7 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
25x + -7x = -7 + 7x + -7x

Combine like terms: 25x + -7x = 18x
18x = -7 + 7x + -7x

Combine like terms: 7x + -7x = 0
18x = -7 + 0
18x = -7

Divide each side by '18'.
x = -0.3888888889

Simplifying
x = -0.3888888889

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