3r+93=9r+15

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Solution for 3r+93=9r+15 equation:


Simplifying
3r + 93 = 9r + 15

Reorder the terms:
93 + 3r = 9r + 15

Reorder the terms:
93 + 3r = 15 + 9r

Solving
93 + 3r = 15 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
93 + 3r + -9r = 15 + 9r + -9r

Combine like terms: 3r + -9r = -6r
93 + -6r = 15 + 9r + -9r

Combine like terms: 9r + -9r = 0
93 + -6r = 15 + 0
93 + -6r = 15

Add '-93' to each side of the equation.
93 + -93 + -6r = 15 + -93

Combine like terms: 93 + -93 = 0
0 + -6r = 15 + -93
-6r = 15 + -93

Combine like terms: 15 + -93 = -78
-6r = -78

Divide each side by '-6'.
r = 13

Simplifying
r = 13

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