3(a-3)=63

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Solution for 3(a-3)=63 equation: 


Simplifying
3(a + -3) = 63

Reorder the terms:
3(-3 + a) = 63
(-3 * 3 + a * 3) = 63
(-9 + 3a) = 63

Solving
-9 + 3a = 63

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 3a = 63 + 9

Combine like terms: -9 + 9 = 0
0 + 3a = 63 + 9
3a = 63 + 9

Combine like terms: 63 + 9 = 72
3a = 72

Divide each side by '3'.
a = 24

Simplifying
a = 24

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