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

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


Simplifying
(6x + -3x + 12) + -1(4x + -3x + 3) = 0

Reorder the terms:
(12 + 6x + -3x) + -1(4x + -3x + 3) = 0

Combine like terms: 6x + -3x = 3x
(12 + 3x) + -1(4x + -3x + 3) = 0

Remove parenthesis around (12 + 3x)
12 + 3x + -1(4x + -3x + 3) = 0

Reorder the terms:
12 + 3x + -1(3 + 4x + -3x) = 0

Combine like terms: 4x + -3x = 1x
12 + 3x + -1(3 + 1x) = 0
12 + 3x + (3 * -1 + 1x * -1) = 0
12 + 3x + (-3 + -1x) = 0

Reorder the terms:
12 + -3 + 3x + -1x = 0

Combine like terms: 12 + -3 = 9
9 + 3x + -1x = 0

Combine like terms: 3x + -1x = 2x
9 + 2x = 0

Solving
9 + 2x = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 0 + -9

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

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

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

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