7r+9=51

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Solution for 7r+9=51 equation: 


Simplifying
7r + 9 = 51

Reorder the terms:
9 + 7r = 51

Solving
9 + 7r = 51

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 7r = 51 + -9

Combine like terms: 9 + -9 = 0
0 + 7r = 51 + -9
7r = 51 + -9

Combine like terms: 51 + -9 = 42
7r = 42

Divide each side by '7'.
r = 6

Simplifying
r = 6

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