7(X+8)=77

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


Simplifying
7(X + 8) = 77

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

Solving
56 + 7X = 77

Solving for variable 'X'.

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

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

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

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

Divide each side by '7'.
X = 3

Simplifying
X = 3

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