y+3=18

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Solution for y+3=18 equation: 


Simplifying
y + 3 = 18

Reorder the terms:
3 + y = 18

Solving
3 + y = 18

Solving for variable 'y'.

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

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

Combine like terms: 3 + -3 = 0
0 + y = 18 + -3
y = 18 + -3

Combine like terms: 18 + -3 = 15
y = 15

Simplifying
y = 15

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