4x+13=-78-9x

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Solution for 4x+13=-78-9x equation:


Simplifying
4x + 13 = -78 + -9x

Reorder the terms:
13 + 4x = -78 + -9x

Solving
13 + 4x = -78 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
13 + 4x + 9x = -78 + -9x + 9x

Combine like terms: 4x + 9x = 13x
13 + 13x = -78 + -9x + 9x

Combine like terms: -9x + 9x = 0
13 + 13x = -78 + 0
13 + 13x = -78

Add '-13' to each side of the equation.
13 + -13 + 13x = -78 + -13

Combine like terms: 13 + -13 = 0
0 + 13x = -78 + -13
13x = -78 + -13

Combine like terms: -78 + -13 = -91
13x = -91

Divide each side by '13'.
x = -7

Simplifying
x = -7

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