8b-15=(17+4)

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Solution for 8b-15=(17+4) equation: 


Simplifying
8b + -15 = (17 + 4)

Reorder the terms:
-15 + 8b = (17 + 4)

Combine like terms: 17 + 4 = 21
-15 + 8b = (21)
-15 + 8b = 21

Solving
-15 + 8b = 21

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 8b = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 8b = 21 + 15
8b = 21 + 15

Combine like terms: 21 + 15 = 36
8b = 36

Divide each side by '8'.
b = 4.5

Simplifying
b = 4.5

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