-3r+54=10r+15

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Solution for -3r+54=10r+15 equation:


Simplifying
-3r + 54 = 10r + 15

Reorder the terms:
54 + -3r = 10r + 15

Reorder the terms:
54 + -3r = 15 + 10r

Solving
54 + -3r = 15 + 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
54 + -3r + -10r = 15 + 10r + -10r

Combine like terms: -3r + -10r = -13r
54 + -13r = 15 + 10r + -10r

Combine like terms: 10r + -10r = 0
54 + -13r = 15 + 0
54 + -13r = 15

Add '-54' to each side of the equation.
54 + -54 + -13r = 15 + -54

Combine like terms: 54 + -54 = 0
0 + -13r = 15 + -54
-13r = 15 + -54

Combine like terms: 15 + -54 = -39
-13r = -39

Divide each side by '-13'.
r = 3

Simplifying
r = 3

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