-3(-8+7)-3x=3(x-3)-9

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Solution for -3(-8+7)-3x=3(x-3)-9 equation:


Simplifying
-3(-8 + 7) + -3x = 3(x + -3) + -9

Combine like terms: -8 + 7 = -1
-3(-1) + -3x = 3(x + -3) + -9

Multiply -3 * -1
3 + -3x = 3(x + -3) + -9

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

Reorder the terms:
3 + -3x = -9 + -9 + 3x

Combine like terms: -9 + -9 = -18
3 + -3x = -18 + 3x

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

Solving for variable 'x'.

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

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

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

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

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

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

Combine like terms: -18 + -3 = -21
-6x = -21

Divide each side by '-6'.
x = 3.5

Simplifying
x = 3.5

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