-7=2(x-9)-4x

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Solution for -7=2(x-9)-4x equation:


Simplifying
-7 = 2(x + -9) + -4x

Reorder the terms:
-7 = 2(-9 + x) + -4x
-7 = (-9 * 2 + x * 2) + -4x
-7 = (-18 + 2x) + -4x

Combine like terms: 2x + -4x = -2x
-7 = -18 + -2x

Solving
-7 = -18 + -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.
-7 + 2x = -18 + -2x + 2x

Combine like terms: -2x + 2x = 0
-7 + 2x = -18 + 0
-7 + 2x = -18

Add '7' to each side of the equation.
-7 + 7 + 2x = -18 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = -18 + 7
2x = -18 + 7

Combine like terms: -18 + 7 = -11
2x = -11

Divide each side by '2'.
x = -5.5

Simplifying
x = -5.5

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