12x+4=9x+16

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Solution for 12x+4=9x+16 equation:


Simplifying
12x + 4 = 9x + 16

Reorder the terms:
4 + 12x = 9x + 16

Reorder the terms:
4 + 12x = 16 + 9x

Solving
4 + 12x = 16 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
4 + 12x + -9x = 16 + 9x + -9x

Combine like terms: 12x + -9x = 3x
4 + 3x = 16 + 9x + -9x

Combine like terms: 9x + -9x = 0
4 + 3x = 16 + 0
4 + 3x = 16

Add '-4' to each side of the equation.
4 + -4 + 3x = 16 + -4

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

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

Divide each side by '3'.
x = 4

Simplifying
x = 4

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