a(5-7)=30

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Solution for a(5-7)=30 equation: 


Simplifying
a(5 + -7) = 30

Combine like terms: 5 + -7 = -2
a(-2) = 30

Reorder the terms for easier multiplication:
-2a = 30

Solving
-2a = 30

Solving for variable 'a'.

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

Divide each side by '-2'.
a = -15

Simplifying
a = -15

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