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

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


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

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

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

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

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

Solving
4 + 3x = -12 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
4 + 3x + -7x = -12 + 7x + -7x

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

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

Add '-4' to each side of the equation.
4 + -4 + -4x = -12 + -4

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

Combine like terms: -12 + -4 = -16
-4x = -16

Divide each side by '-4'.
x = 4

Simplifying
x = 4

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