7(b-4)=28

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Solution for 7(b-4)=28 equation: 


Simplifying
7(b + -4) = 28

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

Solving
-28 + 7b = 28

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 = 28 + 28

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

Combine like terms: 28 + 28 = 56
7b = 56

Divide each side by '7'.
b = 8

Simplifying
b = 8

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