3+5x+15=18

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Solution for 3+5x+15=18 equation: 


Simplifying
3 + 5x + 15 = 18

Reorder the terms:
3 + 15 + 5x = 18

Combine like terms: 3 + 15 = 18
18 + 5x = 18

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

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

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

Solving
5x = 0

Solving for variable 'x'.

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

Divide each side by '5'.
x = 0

Simplifying
x = 0

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