12x-3=5x+18

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Solution for 12x-3=5x+18 equation:


Simplifying
12x + -3 = 5x + 18

Reorder the terms:
-3 + 12x = 5x + 18

Reorder the terms:
-3 + 12x = 18 + 5x

Solving
-3 + 12x = 18 + 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.
-3 + 12x + -5x = 18 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-3 + 7x = 18 + 5x + -5x

Combine like terms: 5x + -5x = 0
-3 + 7x = 18 + 0
-3 + 7x = 18

Add '3' to each side of the equation.
-3 + 3 + 7x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7x = 18 + 3
7x = 18 + 3

Combine like terms: 18 + 3 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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