63-3y=42

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Solution for 63-3y=42 equation: 


Simplifying
63 + -3y = 42

Solving
63 + -3y = 42

Solving for variable 'y'.

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

Add '-63' to each side of the equation.
63 + -63 + -3y = 42 + -63

Combine like terms: 63 + -63 = 0
0 + -3y = 42 + -63
-3y = 42 + -63

Combine like terms: 42 + -63 = -21
-3y = -21

Divide each side by '-3'.
y = 7

Simplifying
y = 7

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