18x+6=21x+18

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Solution for 18x+6=21x+18 equation:


Simplifying
18x + 6 = 21x + 18

Reorder the terms:
6 + 18x = 21x + 18

Reorder the terms:
6 + 18x = 18 + 21x

Solving
6 + 18x = 18 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
6 + 18x + -21x = 18 + 21x + -21x

Combine like terms: 18x + -21x = -3x
6 + -3x = 18 + 21x + -21x

Combine like terms: 21x + -21x = 0
6 + -3x = 18 + 0
6 + -3x = 18

Add '-6' to each side of the equation.
6 + -6 + -3x = 18 + -6

Combine like terms: 6 + -6 = 0
0 + -3x = 18 + -6
-3x = 18 + -6

Combine like terms: 18 + -6 = 12
-3x = 12

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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