-10(r-3)=

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


Simplifying
-10(r + -3) = 0

Reorder the terms:
-10(-3 + r) = 0
(-3 * -10 + r * -10) = 0
(30 + -10r) = 0

Solving
30 + -10r = 0

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 + -10r = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -10r = 0 + -30
-10r = 0 + -30

Combine like terms: 0 + -30 = -30
-10r = -30

Divide each side by '-10'.
r = 3

Simplifying
r = 3

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