90-6x=3(2x-45)

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Solution for 90-6x=3(2x-45) equation:


Simplifying
90 + -6x = 3(2x + -45)

Reorder the terms:
90 + -6x = 3(-45 + 2x)
90 + -6x = (-45 * 3 + 2x * 3)
90 + -6x = (-135 + 6x)

Solving
90 + -6x = -135 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
90 + -6x + -6x = -135 + 6x + -6x

Combine like terms: -6x + -6x = -12x
90 + -12x = -135 + 6x + -6x

Combine like terms: 6x + -6x = 0
90 + -12x = -135 + 0
90 + -12x = -135

Add '-90' to each side of the equation.
90 + -90 + -12x = -135 + -90

Combine like terms: 90 + -90 = 0
0 + -12x = -135 + -90
-12x = -135 + -90

Combine like terms: -135 + -90 = -225
-12x = -225

Divide each side by '-12'.
x = 18.75

Simplifying
x = 18.75

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