10=-2(9-2x)

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Solution for 10=-2(9-2x) equation:


Simplifying
10 = -2(9 + -2x)
10 = (9 * -2 + -2x * -2)
10 = (-18 + 4x)

Solving
10 = -18 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
10 + -4x = -18 + 4x + -4x

Combine like terms: 4x + -4x = 0
10 + -4x = -18 + 0
10 + -4x = -18

Add '-10' to each side of the equation.
10 + -10 + -4x = -18 + -10

Combine like terms: 10 + -10 = 0
0 + -4x = -18 + -10
-4x = -18 + -10

Combine like terms: -18 + -10 = -28
-4x = -28

Divide each side by '-4'.
x = 7

Simplifying
x = 7

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