5x-3(x-3)=9+4x+12

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Solution for 5x-3(x-3)=9+4x+12 equation:


Simplifying
5x + -3(x + -3) = 9 + 4x + 12

Reorder the terms:
5x + -3(-3 + x) = 9 + 4x + 12
5x + (-3 * -3 + x * -3) = 9 + 4x + 12
5x + (9 + -3x) = 9 + 4x + 12

Reorder the terms:
9 + 5x + -3x = 9 + 4x + 12

Combine like terms: 5x + -3x = 2x
9 + 2x = 9 + 4x + 12

Reorder the terms:
9 + 2x = 9 + 12 + 4x

Combine like terms: 9 + 12 = 21
9 + 2x = 21 + 4x

Solving
9 + 2x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
9 + 2x + -4x = 21 + 4x + -4x

Combine like terms: 2x + -4x = -2x
9 + -2x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + -2x = 21 + 0
9 + -2x = 21

Add '-9' to each side of the equation.
9 + -9 + -2x = 21 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = 21 + -9
-2x = 21 + -9

Combine like terms: 21 + -9 = 12
-2x = 12

Divide each side by '-2'.
x = -6

Simplifying
x = -6

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