12x-3=7x+18

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Solution for 12x-3=7x+18 equation:


Simplifying
12x + -3 = 7x + 18

Reorder the terms:
-3 + 12x = 7x + 18

Reorder the terms:
-3 + 12x = 18 + 7x

Solving
-3 + 12x = 18 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-3 + 12x + -7x = 18 + 7x + -7x

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

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

Add '3' to each side of the equation.
-3 + 3 + 5x = 18 + 3

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

Combine like terms: 18 + 3 = 21
5x = 21

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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