3x+12x+13=-7x-7

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Solution for 3x+12x+13=-7x-7 equation:


Simplifying
3x + 12x + 13 = -7x + -7

Reorder the terms:
13 + 3x + 12x = -7x + -7

Combine like terms: 3x + 12x = 15x
13 + 15x = -7x + -7

Reorder the terms:
13 + 15x = -7 + -7x

Solving
13 + 15x = -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.
13 + 15x + 7x = -7 + -7x + 7x

Combine like terms: 15x + 7x = 22x
13 + 22x = -7 + -7x + 7x

Combine like terms: -7x + 7x = 0
13 + 22x = -7 + 0
13 + 22x = -7

Add '-13' to each side of the equation.
13 + -13 + 22x = -7 + -13

Combine like terms: 13 + -13 = 0
0 + 22x = -7 + -13
22x = -7 + -13

Combine like terms: -7 + -13 = -20
22x = -20

Divide each side by '22'.
x = -0.9090909091

Simplifying
x = -0.9090909091

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