-13x-6x+7=.9x+87

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Solution for -13x-6x+7=.9x+87 equation:


Simplifying
-13x + -6x + 7 = 0.9x + 87

Reorder the terms:
7 + -13x + -6x = 0.9x + 87

Combine like terms: -13x + -6x = -19x
7 + -19x = 0.9x + 87

Reorder the terms:
7 + -19x = 87 + 0.9x

Solving
7 + -19x = 87 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
7 + -19x + -0.9x = 87 + 0.9x + -0.9x

Combine like terms: -19x + -0.9x = -19.9x
7 + -19.9x = 87 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
7 + -19.9x = 87 + 0.0
7 + -19.9x = 87

Add '-7' to each side of the equation.
7 + -7 + -19.9x = 87 + -7

Combine like terms: 7 + -7 = 0
0 + -19.9x = 87 + -7
-19.9x = 87 + -7

Combine like terms: 87 + -7 = 80
-19.9x = 80

Divide each side by '-19.9'.
x = -4.020100503

Simplifying
x = -4.020100503

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