7b-7=2(b+4)

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Solution for 7b-7=2(b+4) equation:


Simplifying
7b + -7 = 2(b + 4)

Reorder the terms:
-7 + 7b = 2(b + 4)

Reorder the terms:
-7 + 7b = 2(4 + b)
-7 + 7b = (4 * 2 + b * 2)
-7 + 7b = (8 + 2b)

Solving
-7 + 7b = 8 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-7 + 7b + -2b = 8 + 2b + -2b

Combine like terms: 7b + -2b = 5b
-7 + 5b = 8 + 2b + -2b

Combine like terms: 2b + -2b = 0
-7 + 5b = 8 + 0
-7 + 5b = 8

Add '7' to each side of the equation.
-7 + 7 + 5b = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 5b = 8 + 7
5b = 8 + 7

Combine like terms: 8 + 7 = 15
5b = 15

Divide each side by '5'.
b = 3

Simplifying
b = 3

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