18+3=3x+18

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Solution for 18+3=3x+18 equation:


Simplifying
18 + 3 = 3x + 18

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

Reorder the terms:
21 = 18 + 3x

Solving
21 = 18 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + -3x = 18 + 3x + -3x

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

Add '-21' to each side of the equation.
21 + -21 + -3x = 18 + -21

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

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

Divide each side by '-3'.
x = 1

Simplifying
x = 1

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