12+y=18

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Solution for 12+y=18 equation: 


Simplifying
12 + y = 18

Solving
12 + y = 18

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + y = 18 + -12

Combine like terms: 12 + -12 = 0
0 + y = 18 + -12
y = 18 + -12

Combine like terms: 18 + -12 = 6
y = 6

Simplifying
y = 6

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