9-3(x+4)=12-6(x-1)

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Solution for 9-3(x+4)=12-6(x-1) equation:


Simplifying
9 + -3(x + 4) = 12 + -6(x + -1)

Reorder the terms:
9 + -3(4 + x) = 12 + -6(x + -1)
9 + (4 * -3 + x * -3) = 12 + -6(x + -1)
9 + (-12 + -3x) = 12 + -6(x + -1)

Combine like terms: 9 + -12 = -3
-3 + -3x = 12 + -6(x + -1)

Reorder the terms:
-3 + -3x = 12 + -6(-1 + x)
-3 + -3x = 12 + (-1 * -6 + x * -6)
-3 + -3x = 12 + (6 + -6x)

Combine like terms: 12 + 6 = 18
-3 + -3x = 18 + -6x

Solving
-3 + -3x = 18 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-3 + -3x + 6x = 18 + -6x + 6x

Combine like terms: -3x + 6x = 3x
-3 + 3x = 18 + -6x + 6x

Combine like terms: -6x + 6x = 0
-3 + 3x = 18 + 0
-3 + 3x = 18

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

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

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

Divide each side by '3'.
x = 7

Simplifying
x = 7

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