39-5r=2(r-12)

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Solution for 39-5r=2(r-12) equation:


Simplifying
39 + -5r = 2(r + -12)

Reorder the terms:
39 + -5r = 2(-12 + r)
39 + -5r = (-12 * 2 + r * 2)
39 + -5r = (-24 + 2r)

Solving
39 + -5r = -24 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
39 + -5r + -2r = -24 + 2r + -2r

Combine like terms: -5r + -2r = -7r
39 + -7r = -24 + 2r + -2r

Combine like terms: 2r + -2r = 0
39 + -7r = -24 + 0
39 + -7r = -24

Add '-39' to each side of the equation.
39 + -39 + -7r = -24 + -39

Combine like terms: 39 + -39 = 0
0 + -7r = -24 + -39
-7r = -24 + -39

Combine like terms: -24 + -39 = -63
-7r = -63

Divide each side by '-7'.
r = 9

Simplifying
r = 9

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