90=4-(2x-6)

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Solution for 90=4-(2x-6) equation:


Simplifying
90 = 4 + -1(2x + -6)

Reorder the terms:
90 = 4 + -1(-6 + 2x)
90 = 4 + (-6 * -1 + 2x * -1)
90 = 4 + (6 + -2x)

Combine like terms: 4 + 6 = 10
90 = 10 + -2x

Solving
90 = 10 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
90 + 2x = 10 + -2x + 2x

Combine like terms: -2x + 2x = 0
90 + 2x = 10 + 0
90 + 2x = 10

Add '-90' to each side of the equation.
90 + -90 + 2x = 10 + -90

Combine like terms: 90 + -90 = 0
0 + 2x = 10 + -90
2x = 10 + -90

Combine like terms: 10 + -90 = -80
2x = -80

Divide each side by '2'.
x = -40

Simplifying
x = -40

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