(12x+7)-(3x+4)=

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Solution for (12x+7)-(3x+4)= equation:


Simplifying
(12x + 7) + -1(3x + 4) = 0

Reorder the terms:
(7 + 12x) + -1(3x + 4) = 0

Remove parenthesis around (7 + 12x)
7 + 12x + -1(3x + 4) = 0

Reorder the terms:
7 + 12x + -1(4 + 3x) = 0
7 + 12x + (4 * -1 + 3x * -1) = 0
7 + 12x + (-4 + -3x) = 0

Reorder the terms:
7 + -4 + 12x + -3x = 0

Combine like terms: 7 + -4 = 3
3 + 12x + -3x = 0

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

Solving
3 + 9x = 0

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 9x = 0 + -3

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

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

Divide each side by '9'.
x = -0.3333333333

Simplifying
x = -0.3333333333

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