12x+9=5x+13

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Solution for 12x+9=5x+13 equation:


Simplifying
12x + 9 = 5x + 13

Reorder the terms:
9 + 12x = 5x + 13

Reorder the terms:
9 + 12x = 13 + 5x

Solving
9 + 12x = 13 + 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.
9 + 12x + -5x = 13 + 5x + -5x

Combine like terms: 12x + -5x = 7x
9 + 7x = 13 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + 7x = 13 + 0
9 + 7x = 13

Add '-9' to each side of the equation.
9 + -9 + 7x = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 13 + -9
7x = 13 + -9

Combine like terms: 13 + -9 = 4
7x = 4

Divide each side by '7'.
x = 0.5714285714

Simplifying
x = 0.5714285714

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