30+8r=-7r

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Solution for 30+8r=-7r equation:


Simplifying
30 + 8r = -7r

Solving
30 + 8r = -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.
30 + 8r + 7r = -7r + 7r

Combine like terms: 8r + 7r = 15r
30 + 15r = -7r + 7r

Combine like terms: -7r + 7r = 0
30 + 15r = 0

Add '-30' to each side of the equation.
30 + -30 + 15r = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 15r = 0 + -30
15r = 0 + -30

Combine like terms: 0 + -30 = -30
15r = -30

Divide each side by '15'.
r = -2

Simplifying
r = -2

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