9x-18=42+5x

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Solution for 9x-18=42+5x equation:


Simplifying
9x + -18 = 42 + 5x

Reorder the terms:
-18 + 9x = 42 + 5x

Solving
-18 + 9x = 42 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-18 + 9x + -5x = 42 + 5x + -5x

Combine like terms: 9x + -5x = 4x
-18 + 4x = 42 + 5x + -5x

Combine like terms: 5x + -5x = 0
-18 + 4x = 42 + 0
-18 + 4x = 42

Add '18' to each side of the equation.
-18 + 18 + 4x = 42 + 18

Combine like terms: -18 + 18 = 0
0 + 4x = 42 + 18
4x = 42 + 18

Combine like terms: 42 + 18 = 60
4x = 60

Divide each side by '4'.
x = 15

Simplifying
x = 15

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