90+(0.75x-2)+(0.4x)=180

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Solution for 90+(0.75x-2)+(0.4x)=180 equation: 


Simplifying
90 + (0.75x + -2) + (0.4x) = 180

Reorder the terms:
90 + (-2 + 0.75x) + (0.4x) = 180

Remove parenthesis around (-2 + 0.75x)
90 + -2 + 0.75x + (0.4x) = 180

Combine like terms: 90 + -2 = 88
88 + 0.75x + (0.4x) = 180

Combine like terms: 0.75x + (0.4x) = 1.15x
88 + 1.15x = 180

Solving
88 + 1.15x = 180

Solving for variable 'x'.

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

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

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

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

Divide each side by '1.15'.
x = 80

Simplifying
x = 80

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