4(2-x)-x=-9

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


Simplifying
4(2 + -1x) + -1x = -9
(2 * 4 + -1x * 4) + -1x = -9
(8 + -4x) + -1x = -9

Combine like terms: -4x + -1x = -5x
8 + -5x = -9

Solving
8 + -5x = -9

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -5x = -9 + -8

Combine like terms: 8 + -8 = 0
0 + -5x = -9 + -8
-5x = -9 + -8

Combine like terms: -9 + -8 = -17
-5x = -17

Divide each side by '-5'.
x = 3.4

Simplifying
x = 3.4

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