7(A+8)=77

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Solution for 7(A+8)=77 equation: 


Simplifying
7(A + 8) = 77

Reorder the terms:
7(8 + A) = 77
(8 * 7 + A * 7) = 77
(56 + 7A) = 77

Solving
56 + 7A = 77

Solving for variable 'A'.

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

Add '-56' to each side of the equation.
56 + -56 + 7A = 77 + -56

Combine like terms: 56 + -56 = 0
0 + 7A = 77 + -56
7A = 77 + -56

Combine like terms: 77 + -56 = 21
7A = 21

Divide each side by '7'.
A = 3

Simplifying
A = 3

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