5b+2b-7=7

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Solution for 5b+2b-7=7 equation: 


Simplifying
5b + 2b + -7 = 7

Reorder the terms:
-7 + 5b + 2b = 7

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

Solving
-7 + 7b = 7

Solving for variable 'b'.

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

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

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

Combine like terms: 7 + 7 = 14
7b = 14

Divide each side by '7'.
b = 2

Simplifying
b = 2

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