r-31=3(-6r-4)

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Solution for r-31=3(-6r-4) equation:


Simplifying
r + -31 = 3(-6r + -4)

Reorder the terms:
-31 + r = 3(-6r + -4)

Reorder the terms:
-31 + r = 3(-4 + -6r)
-31 + r = (-4 * 3 + -6r * 3)
-31 + r = (-12 + -18r)

Solving
-31 + r = -12 + -18r

Solving for variable 'r'.

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

Add '18r' to each side of the equation.
-31 + r + 18r = -12 + -18r + 18r

Combine like terms: r + 18r = 19r
-31 + 19r = -12 + -18r + 18r

Combine like terms: -18r + 18r = 0
-31 + 19r = -12 + 0
-31 + 19r = -12

Add '31' to each side of the equation.
-31 + 31 + 19r = -12 + 31

Combine like terms: -31 + 31 = 0
0 + 19r = -12 + 31
19r = -12 + 31

Combine like terms: -12 + 31 = 19
19r = 19

Divide each side by '19'.
r = 1

Simplifying
r = 1

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