12x-16=9x+5

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Solution for 12x-16=9x+5 equation:


Simplifying
12x + -16 = 9x + 5

Reorder the terms:
-16 + 12x = 9x + 5

Reorder the terms:
-16 + 12x = 5 + 9x

Solving
-16 + 12x = 5 + 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.
-16 + 12x + -9x = 5 + 9x + -9x

Combine like terms: 12x + -9x = 3x
-16 + 3x = 5 + 9x + -9x

Combine like terms: 9x + -9x = 0
-16 + 3x = 5 + 0
-16 + 3x = 5

Add '16' to each side of the equation.
-16 + 16 + 3x = 5 + 16

Combine like terms: -16 + 16 = 0
0 + 3x = 5 + 16
3x = 5 + 16

Combine like terms: 5 + 16 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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