9x+28=12x+7

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Solution for 9x+28=12x+7 equation:


Simplifying
9x + 28 = 12x + 7

Reorder the terms:
28 + 9x = 12x + 7

Reorder the terms:
28 + 9x = 7 + 12x

Solving
28 + 9x = 7 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
28 + 9x + -12x = 7 + 12x + -12x

Combine like terms: 9x + -12x = -3x
28 + -3x = 7 + 12x + -12x

Combine like terms: 12x + -12x = 0
28 + -3x = 7 + 0
28 + -3x = 7

Add '-28' to each side of the equation.
28 + -28 + -3x = 7 + -28

Combine like terms: 28 + -28 = 0
0 + -3x = 7 + -28
-3x = 7 + -28

Combine like terms: 7 + -28 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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