180=90+0.75x-2+0.40x

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Solution for 180=90+0.75x-2+0.40x equation: 


Simplifying
180 = 90 + 0.75x + -2 + 0.40x

Reorder the terms:
180 = 90 + -2 + 0.75x + 0.40x

Combine like terms: 90 + -2 = 88
180 = 88 + 0.75x + 0.40x

Combine like terms: 0.75x + 0.40x = 1.15x
180 = 88 + 1.15x

Solving
180 = 88 + 1.15x

Solving for variable 'x'.

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

Add '-1.15x' to each side of the equation.
180 + -1.15x = 88 + 1.15x + -1.15x

Combine like terms: 1.15x + -1.15x = 0.00
180 + -1.15x = 88 + 0.00
180 + -1.15x = 88

Add '-180' to each side of the equation.
180 + -180 + -1.15x = 88 + -180

Combine like terms: 180 + -180 = 0
0 + -1.15x = 88 + -180
-1.15x = 88 + -180

Combine like terms: 88 + -180 = -92
-1.15x = -92

Divide each side by '-1.15'.
x = 80

Simplifying
x = 80

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