45=y+15

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Solution for 45=y+15 equation:


Simplifying
45 = y + 15

Reorder the terms:
45 = 15 + y

Solving
45 = 15 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
45 + -1y = 15 + y + -1y

Combine like terms: y + -1y = 0
45 + -1y = 15 + 0
45 + -1y = 15

Add '-45' to each side of the equation.
45 + -45 + -1y = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -1y = 15 + -45
-1y = 15 + -45

Combine like terms: 15 + -45 = -30
-1y = -30

Divide each side by '-1'.
y = 30

Simplifying
y = 30

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