8b+23=4.2

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Solution for 8b+23=4.2 equation: 


Simplifying
8b + 23 = 4.2

Reorder the terms:
23 + 8b = 4.2

Solving
23 + 8b = 4.2

Solving for variable 'b'.

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

Add '-23' to each side of the equation.
23 + -23 + 8b = 4.2 + -23

Combine like terms: 23 + -23 = 0
0 + 8b = 4.2 + -23
8b = 4.2 + -23

Combine like terms: 4.2 + -23 = -18.8
8b = -18.8

Divide each side by '8'.
b = -2.35

Simplifying
b = -2.35

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