3(r-10)=-3

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


Simplifying
3(r + -10) = -3

Reorder the terms:
3(-10 + r) = -3
(-10 * 3 + r * 3) = -3
(-30 + 3r) = -3

Solving
-30 + 3r = -3

Solving for variable 'r'.

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

Add '30' to each side of the equation.
-30 + 30 + 3r = -3 + 30

Combine like terms: -30 + 30 = 0
0 + 3r = -3 + 30
3r = -3 + 30

Combine like terms: -3 + 30 = 27
3r = 27

Divide each side by '3'.
r = 9

Simplifying
r = 9

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