-1(x+3)=9

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Solution for -1(x+3)=9 equation: 


Simplifying
-1(x + 3) = 9

Reorder the terms:
-1(3 + x) = 9
(3 * -1 + x * -1) = 9
(-3 + -1x) = 9

Solving
-3 + -1x = 9

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + -1x = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -1x = 9 + 3
-1x = 9 + 3

Combine like terms: 9 + 3 = 12
-1x = 12

Divide each side by '-1'.
x = -12

Simplifying
x = -12

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