-63=7-7y

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Solution for -63=7-7y equation:


Simplifying
-63 = 7 + -7y

Solving
-63 = 7 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-63 + 7y = 7 + -7y + 7y

Combine like terms: -7y + 7y = 0
-63 + 7y = 7 + 0
-63 + 7y = 7

Add '63' to each side of the equation.
-63 + 63 + 7y = 7 + 63

Combine like terms: -63 + 63 = 0
0 + 7y = 7 + 63
7y = 7 + 63

Combine like terms: 7 + 63 = 70
7y = 70

Divide each side by '7'.
y = 10

Simplifying
y = 10

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