7x-12+2x+3=18

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Solution for 7x-12+2x+3=18 equation:


Simplifying
7x + -12 + 2x + 3 = 18

Reorder the terms:
-12 + 3 + 7x + 2x = 18

Combine like terms: -12 + 3 = -9
-9 + 7x + 2x = 18

Combine like terms: 7x + 2x = 9x
-9 + 9x = 18

Solving
-9 + 9x = 18

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 9x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 9x = 18 + 9
9x = 18 + 9

Combine like terms: 18 + 9 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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