63=-7a

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Solution for 63=-7a equation:


Simplifying
63 = -7a

Solving
63 = -7a

Solving for variable 'a'.

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

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

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

Add '-63' to each side of the equation.
63 + -63 + 7a = 0 + -63

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

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

Divide each side by '7'.
a = -9

Simplifying
a = -9

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