7x+28=3x+12

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Solution for 7x+28=3x+12 equation:


Simplifying
7x + 28 = 3x + 12

Reorder the terms:
28 + 7x = 3x + 12

Reorder the terms:
28 + 7x = 12 + 3x

Solving
28 + 7x = 12 + 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.
28 + 7x + -3x = 12 + 3x + -3x

Combine like terms: 7x + -3x = 4x
28 + 4x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
28 + 4x = 12 + 0
28 + 4x = 12

Add '-28' to each side of the equation.
28 + -28 + 4x = 12 + -28

Combine like terms: 28 + -28 = 0
0 + 4x = 12 + -28
4x = 12 + -28

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

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

Simplifying
x = -4

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