28=8b+13b-3b

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Solution for 28=8b+13b-3b equation:


Simplifying
28 = 8b + 13b + -3b

Combine like terms: 8b + 13b = 21b
28 = 21b + -3b

Combine like terms: 21b + -3b = 18b
28 = 18b

Solving
28 = 18b

Solving for variable 'b'.

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

Add '-18b' to each side of the equation.
28 + -18b = 18b + -18b

Combine like terms: 18b + -18b = 0
28 + -18b = 0

Add '-28' to each side of the equation.
28 + -28 + -18b = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -18b = 0 + -28
-18b = 0 + -28

Combine like terms: 0 + -28 = -28
-18b = -28

Divide each side by '-18'.
b = 1.555555556

Simplifying
b = 1.555555556

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