1b-5+7b=28

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Solution for 1b-5+7b=28 equation:


Simplifying
1b + -5 + 7b = 28

Reorder the terms:
-5 + 1b + 7b = 28

Combine like terms: 1b + 7b = 8b
-5 + 8b = 28

Solving
-5 + 8b = 28

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 8b = 28 + 5

Combine like terms: -5 + 5 = 0
0 + 8b = 28 + 5
8b = 28 + 5

Combine like terms: 28 + 5 = 33
8b = 33

Divide each side by '8'.
b = 4.125

Simplifying
b = 4.125

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