7a=63-2a

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Solution for 7a=63-2a equation: 


Simplifying
7a = 63 + -2a

Solving
7a = 63 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
7a + 2a = 63 + -2a + 2a

Combine like terms: 7a + 2a = 9a
9a = 63 + -2a + 2a

Combine like terms: -2a + 2a = 0
9a = 63 + 0
9a = 63

Divide each side by '9'.
a = 7

Simplifying
a = 7

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