-31-3r=5(7+6r)

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Solution for -31-3r=5(7+6r) equation:


Simplifying
-31 + -3r = 5(7 + 6r)
-31 + -3r = (7 * 5 + 6r * 5)
-31 + -3r = (35 + 30r)

Solving
-31 + -3r = 35 + 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
-31 + -3r + -30r = 35 + 30r + -30r

Combine like terms: -3r + -30r = -33r
-31 + -33r = 35 + 30r + -30r

Combine like terms: 30r + -30r = 0
-31 + -33r = 35 + 0
-31 + -33r = 35

Add '31' to each side of the equation.
-31 + 31 + -33r = 35 + 31

Combine like terms: -31 + 31 = 0
0 + -33r = 35 + 31
-33r = 35 + 31

Combine like terms: 35 + 31 = 66
-33r = 66

Divide each side by '-33'.
r = -2

Simplifying
r = -2

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