12-9(x+5)=-(1-x)

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Solution for 12-9(x+5)=-(1-x) equation:


Simplifying
12 + -9(x + 5) = -1(1 + -1x)

Reorder the terms:
12 + -9(5 + x) = -1(1 + -1x)
12 + (5 * -9 + x * -9) = -1(1 + -1x)
12 + (-45 + -9x) = -1(1 + -1x)

Combine like terms: 12 + -45 = -33
-33 + -9x = -1(1 + -1x)
-33 + -9x = (1 * -1 + -1x * -1)
-33 + -9x = (-1 + 1x)

Solving
-33 + -9x = -1 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-33 + -9x + -1x = -1 + 1x + -1x

Combine like terms: -9x + -1x = -10x
-33 + -10x = -1 + 1x + -1x

Combine like terms: 1x + -1x = 0
-33 + -10x = -1 + 0
-33 + -10x = -1

Add '33' to each side of the equation.
-33 + 33 + -10x = -1 + 33

Combine like terms: -33 + 33 = 0
0 + -10x = -1 + 33
-10x = -1 + 33

Combine like terms: -1 + 33 = 32
-10x = 32

Divide each side by '-10'.
x = -3.2

Simplifying
x = -3.2

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