-150=-30r-30

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Solution for -150=-30r-30 equation:


Simplifying
-150 = -30r + -30

Reorder the terms:
-150 = -30 + -30r

Solving
-150 = -30 + -30r

Solving for variable 'r'.

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

Add '30r' to each side of the equation.
-150 + 30r = -30 + -30r + 30r

Combine like terms: -30r + 30r = 0
-150 + 30r = -30 + 0
-150 + 30r = -30

Add '150' to each side of the equation.
-150 + 150 + 30r = -30 + 150

Combine like terms: -150 + 150 = 0
0 + 30r = -30 + 150
30r = -30 + 150

Combine like terms: -30 + 150 = 120
30r = 120

Divide each side by '30'.
r = 4

Simplifying
r = 4

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