r+7=12r-24

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Solution for r+7=12r-24 equation:


Simplifying
r + 7 = 12r + -24

Reorder the terms:
7 + r = 12r + -24

Reorder the terms:
7 + r = -24 + 12r

Solving
7 + r = -24 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
7 + r + -12r = -24 + 12r + -12r

Combine like terms: r + -12r = -11r
7 + -11r = -24 + 12r + -12r

Combine like terms: 12r + -12r = 0
7 + -11r = -24 + 0
7 + -11r = -24

Add '-7' to each side of the equation.
7 + -7 + -11r = -24 + -7

Combine like terms: 7 + -7 = 0
0 + -11r = -24 + -7
-11r = -24 + -7

Combine like terms: -24 + -7 = -31
-11r = -31

Divide each side by '-11'.
r = 2.818181818

Simplifying
r = 2.818181818

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