18x-21=2x+27

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Solution for 18x-21=2x+27 equation:


Simplifying
18x + -21 = 2x + 27

Reorder the terms:
-21 + 18x = 2x + 27

Reorder the terms:
-21 + 18x = 27 + 2x

Solving
-21 + 18x = 27 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + 18x + -2x = 27 + 2x + -2x

Combine like terms: 18x + -2x = 16x
-21 + 16x = 27 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + 16x = 27 + 0
-21 + 16x = 27

Add '21' to each side of the equation.
-21 + 21 + 16x = 27 + 21

Combine like terms: -21 + 21 = 0
0 + 16x = 27 + 21
16x = 27 + 21

Combine like terms: 27 + 21 = 48
16x = 48

Divide each side by '16'.
x = 3

Simplifying
x = 3

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