-115-7x=6x+21

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Solution for -115-7x=6x+21 equation:


Simplifying
-115 + -7x = 6x + 21

Reorder the terms:
-115 + -7x = 21 + 6x

Solving
-115 + -7x = 21 + 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.
-115 + -7x + -6x = 21 + 6x + -6x

Combine like terms: -7x + -6x = -13x
-115 + -13x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
-115 + -13x = 21 + 0
-115 + -13x = 21

Add '115' to each side of the equation.
-115 + 115 + -13x = 21 + 115

Combine like terms: -115 + 115 = 0
0 + -13x = 21 + 115
-13x = 21 + 115

Combine like terms: 21 + 115 = 136
-13x = 136

Divide each side by '-13'.
x = -10.46153846

Simplifying
x = -10.46153846

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