9x+3x+7=2x+3x+28

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Solution for 9x+3x+7=2x+3x+28 equation:


Simplifying
9x + 3x + 7 = 2x + 3x + 28

Reorder the terms:
7 + 9x + 3x = 2x + 3x + 28

Combine like terms: 9x + 3x = 12x
7 + 12x = 2x + 3x + 28

Reorder the terms:
7 + 12x = 28 + 2x + 3x

Combine like terms: 2x + 3x = 5x
7 + 12x = 28 + 5x

Solving
7 + 12x = 28 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7 + 12x + -5x = 28 + 5x + -5x

Combine like terms: 12x + -5x = 7x
7 + 7x = 28 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + 7x = 28 + 0
7 + 7x = 28

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

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

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

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