7x+7=-6x-123

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Solution for 7x+7=-6x-123 equation:


Simplifying
7x + 7 = -6x + -123

Reorder the terms:
7 + 7x = -6x + -123

Reorder the terms:
7 + 7x = -123 + -6x

Solving
7 + 7x = -123 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
7 + 7x + 6x = -123 + -6x + 6x

Combine like terms: 7x + 6x = 13x
7 + 13x = -123 + -6x + 6x

Combine like terms: -6x + 6x = 0
7 + 13x = -123 + 0
7 + 13x = -123

Add '-7' to each side of the equation.
7 + -7 + 13x = -123 + -7

Combine like terms: 7 + -7 = 0
0 + 13x = -123 + -7
13x = -123 + -7

Combine like terms: -123 + -7 = -130
13x = -130

Divide each side by '13'.
x = -10

Simplifying
x = -10

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