90=-2(4-7x)

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Solution for 90=-2(4-7x) equation:


Simplifying
90 = -2(4 + -7x)
90 = (4 * -2 + -7x * -2)
90 = (-8 + 14x)

Solving
90 = -8 + 14x

Solving for variable 'x'.

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

Add '-14x' to each side of the equation.
90 + -14x = -8 + 14x + -14x

Combine like terms: 14x + -14x = 0
90 + -14x = -8 + 0
90 + -14x = -8

Add '-90' to each side of the equation.
90 + -90 + -14x = -8 + -90

Combine like terms: 90 + -90 = 0
0 + -14x = -8 + -90
-14x = -8 + -90

Combine like terms: -8 + -90 = -98
-14x = -98

Divide each side by '-14'.
x = 7

Simplifying
x = 7

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