90=4(45x-2)+30

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Solution for 90=4(45x-2)+30 equation:


Simplifying
90 = 4(45x + -2) + 30

Reorder the terms:
90 = 4(-2 + 45x) + 30
90 = (-2 * 4 + 45x * 4) + 30
90 = (-8 + 180x) + 30

Reorder the terms:
90 = -8 + 30 + 180x

Combine like terms: -8 + 30 = 22
90 = 22 + 180x

Solving
90 = 22 + 180x

Solving for variable 'x'.

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

Add '-180x' to each side of the equation.
90 + -180x = 22 + 180x + -180x

Combine like terms: 180x + -180x = 0
90 + -180x = 22 + 0
90 + -180x = 22

Add '-90' to each side of the equation.
90 + -90 + -180x = 22 + -90

Combine like terms: 90 + -90 = 0
0 + -180x = 22 + -90
-180x = 22 + -90

Combine like terms: 22 + -90 = -68
-180x = -68

Divide each side by '-180'.
x = 0.3777777778

Simplifying
x = 0.3777777778

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