3r+7=10+28

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Solution for 3r+7=10+28 equation:


Simplifying
3r + 7 = 10 + 28

Reorder the terms:
7 + 3r = 10 + 28

Combine like terms: 10 + 28 = 38
7 + 3r = 38

Solving
7 + 3r = 38

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 3r = 38 + -7

Combine like terms: 7 + -7 = 0
0 + 3r = 38 + -7
3r = 38 + -7

Combine like terms: 38 + -7 = 31
3r = 31

Divide each side by '3'.
r = 10.33333333

Simplifying
r = 10.33333333

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