(.75x-2)+.4x=90

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Solution for (.75x-2)+.4x=90 equation:


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

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

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

Combine like terms: 0.75x + 0.4x = 1.15x
-2 + 1.15x = 90

Solving
-2 + 1.15x = 90

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 1.15x = 90 + 2

Combine like terms: -2 + 2 = 0
0 + 1.15x = 90 + 2
1.15x = 90 + 2

Combine like terms: 90 + 2 = 92
1.15x = 92

Divide each side by '1.15'.
x = 80

Simplifying
x = 80

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