7r+2=30

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Solution for 7r+2=30 equation: 


Simplifying
7r + 2 = 30

Reorder the terms:
2 + 7r = 30

Solving
2 + 7r = 30

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 + 7r = 30 + -2

Combine like terms: 2 + -2 = 0
0 + 7r = 30 + -2
7r = 30 + -2

Combine like terms: 30 + -2 = 28
7r = 28

Divide each side by '7'.
r = 4

Simplifying
r = 4

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