3(3r-1)=10

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Solution for 3(3r-1)=10 equation: 


Simplifying
3(3r + -1) = 10

Reorder the terms:
3(-1 + 3r) = 10
(-1 * 3 + 3r * 3) = 10
(-3 + 9r) = 10

Solving
-3 + 9r = 10

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 9r = 10 + 3

Combine like terms: -3 + 3 = 0
0 + 9r = 10 + 3
9r = 10 + 3

Combine like terms: 10 + 3 = 13
9r = 13

Divide each side by '9'.
r = 1.444444444

Simplifying
r = 1.444444444

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