120=8.50x-2.15x-3.75

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Solution for 120=8.50x-2.15x-3.75 equation: 


Simplifying
120 = 8.50x + -2.15x + -3.75

Reorder the terms:
120 = -3.75 + 8.50x + -2.15x

Combine like terms: 8.50x + -2.15x = 6.35x
120 = -3.75 + 6.35x

Solving
120 = -3.75 + 6.35x

Solving for variable 'x'.

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

Add '-6.35x' to each side of the equation.
120 + -6.35x = -3.75 + 6.35x + -6.35x

Combine like terms: 6.35x + -6.35x = 0.00
120 + -6.35x = -3.75 + 0.00
120 + -6.35x = -3.75

Add '-120' to each side of the equation.
120 + -120 + -6.35x = -3.75 + -120

Combine like terms: 120 + -120 = 0
0 + -6.35x = -3.75 + -120
-6.35x = -3.75 + -120

Combine like terms: -3.75 + -120 = -123.75
-6.35x = -123.75

Divide each side by '-6.35'.
x = 19.48818898

Simplifying
x = 19.48818898

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