3r+2b=42

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Solution for 3r+2b=42 equation: 


Simplifying
3r + 2b = 42

Reorder the terms:
2b + 3r = 42

Solving
2b + 3r = 42

Solving for variable 'b'.

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

Add '-3r' to each side of the equation.
2b + 3r + -3r = 42 + -3r

Combine like terms: 3r + -3r = 0
2b + 0 = 42 + -3r
2b = 42 + -3r

Divide each side by '2'.
b = 21 + -1.5r

Simplifying
b = 21 + -1.5r

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