-2(x+9)=-1(x+-1)+2

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Solution for -2(x+9)=-1(x+-1)+2 equation:


Simplifying
-2(x + 9) = -1(x + -1) + 2

Reorder the terms:
-2(9 + x) = -1(x + -1) + 2
(9 * -2 + x * -2) = -1(x + -1) + 2
(-18 + -2x) = -1(x + -1) + 2

Reorder the terms:
-18 + -2x = -1(-1 + x) + 2
-18 + -2x = (-1 * -1 + x * -1) + 2
-18 + -2x = (1 + -1x) + 2

Reorder the terms:
-18 + -2x = 1 + 2 + -1x

Combine like terms: 1 + 2 = 3
-18 + -2x = 3 + -1x

Solving
-18 + -2x = 3 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-18 + -2x + x = 3 + -1x + x

Combine like terms: -2x + x = -1x
-18 + -1x = 3 + -1x + x

Combine like terms: -1x + x = 0
-18 + -1x = 3 + 0
-18 + -1x = 3

Add '18' to each side of the equation.
-18 + 18 + -1x = 3 + 18

Combine like terms: -18 + 18 = 0
0 + -1x = 3 + 18
-1x = 3 + 18

Combine like terms: 3 + 18 = 21
-1x = 21

Divide each side by '-1'.
x = -21

Simplifying
x = -21

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