8b+13b-35=28

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Solution for 8b+13b-35=28 equation: 


Simplifying
8b + 13b + -35 = 28

Reorder the terms:
-35 + 8b + 13b = 28

Combine like terms: 8b + 13b = 21b
-35 + 21b = 28

Solving
-35 + 21b = 28

Solving for variable 'b'.

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

Add '35' to each side of the equation.
-35 + 35 + 21b = 28 + 35

Combine like terms: -35 + 35 = 0
0 + 21b = 28 + 35
21b = 28 + 35

Combine like terms: 28 + 35 = 63
21b = 63

Divide each side by '21'.
b = 3

Simplifying
b = 3

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