7(b+4)=77

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Solution for 7(b+4)=77 equation: 


Simplifying
7(b + 4) = 77

Reorder the terms:
7(4 + b) = 77
(4 * 7 + b * 7) = 77
(28 + 7b) = 77

Solving
28 + 7b = 77

Solving for variable 'b'.

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

Add '-28' to each side of the equation.
28 + -28 + 7b = 77 + -28

Combine like terms: 28 + -28 = 0
0 + 7b = 77 + -28
7b = 77 + -28

Combine like terms: 77 + -28 = 49
7b = 49

Divide each side by '7'.
b = 7

Simplifying
b = 7

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