3(5r+6)=-38+7r

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Solution for 3(5r+6)=-38+7r equation:


Simplifying
3(5r + 6) = -38 + 7r

Reorder the terms:
3(6 + 5r) = -38 + 7r
(6 * 3 + 5r * 3) = -38 + 7r
(18 + 15r) = -38 + 7r

Solving
18 + 15r = -38 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
18 + 15r + -7r = -38 + 7r + -7r

Combine like terms: 15r + -7r = 8r
18 + 8r = -38 + 7r + -7r

Combine like terms: 7r + -7r = 0
18 + 8r = -38 + 0
18 + 8r = -38

Add '-18' to each side of the equation.
18 + -18 + 8r = -38 + -18

Combine like terms: 18 + -18 = 0
0 + 8r = -38 + -18
8r = -38 + -18

Combine like terms: -38 + -18 = -56
8r = -56

Divide each side by '8'.
r = -7

Simplifying
r = -7

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