7x+12=3x-16

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Solution for 7x+12=3x-16 equation:


Simplifying
7x + 12 = 3x + -16

Reorder the terms:
12 + 7x = 3x + -16

Reorder the terms:
12 + 7x = -16 + 3x

Solving
12 + 7x = -16 + 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.
12 + 7x + -3x = -16 + 3x + -3x

Combine like terms: 7x + -3x = 4x
12 + 4x = -16 + 3x + -3x

Combine like terms: 3x + -3x = 0
12 + 4x = -16 + 0
12 + 4x = -16

Add '-12' to each side of the equation.
12 + -12 + 4x = -16 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = -16 + -12
4x = -16 + -12

Combine like terms: -16 + -12 = -28
4x = -28

Divide each side by '4'.
x = -7

Simplifying
x = -7

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