15=3r+3

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Solution for 15=3r+3 equation:


Simplifying
15 = 3r + 3

Reorder the terms:
15 = 3 + 3r

Solving
15 = 3 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
15 + -3r = 3 + 3r + -3r

Combine like terms: 3r + -3r = 0
15 + -3r = 3 + 0
15 + -3r = 3

Add '-15' to each side of the equation.
15 + -15 + -3r = 3 + -15

Combine like terms: 15 + -15 = 0
0 + -3r = 3 + -15
-3r = 3 + -15

Combine like terms: 3 + -15 = -12
-3r = -12

Divide each side by '-3'.
r = 4

Simplifying
r = 4

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