9r-7=74

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Solution for 9r-7=74 equation: 


Simplifying
9r + -7 = 74

Reorder the terms:
-7 + 9r = 74

Solving
-7 + 9r = 74

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 + 9r = 74 + 7

Combine like terms: -7 + 7 = 0
0 + 9r = 74 + 7
9r = 74 + 7

Combine like terms: 74 + 7 = 81
9r = 81

Divide each side by '9'.
r = 9

Simplifying
r = 9

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