-300=-15r

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Solution for -300=-15r equation:


Simplifying
-300 = -15r

Solving
-300 = -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
-300 + 15r = -15r + 15r

Combine like terms: -15r + 15r = 0
-300 + 15r = 0

Add '300' to each side of the equation.
-300 + 300 + 15r = 0 + 300

Combine like terms: -300 + 300 = 0
0 + 15r = 0 + 300
15r = 0 + 300

Combine like terms: 0 + 300 = 300
15r = 300

Divide each side by '15'.
r = 20

Simplifying
r = 20

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