3r+2=42

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Solution for 3r+2=42 equation: 


Simplifying
3r + 2 = 42

Reorder the terms:
2 + 3r = 42

Solving
2 + 3r = 42

Solving for variable 'r'.

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

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

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

Combine like terms: 42 + -2 = 40
3r = 40

Divide each side by '3'.
r = 13.33333333

Simplifying
r = 13.33333333

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