r+84=-2r-30

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Solution for r+84=-2r-30 equation:


Simplifying
r + 84 = -2r + -30

Reorder the terms:
84 + r = -2r + -30

Reorder the terms:
84 + r = -30 + -2r

Solving
84 + r = -30 + -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.
84 + r + 2r = -30 + -2r + 2r

Combine like terms: r + 2r = 3r
84 + 3r = -30 + -2r + 2r

Combine like terms: -2r + 2r = 0
84 + 3r = -30 + 0
84 + 3r = -30

Add '-84' to each side of the equation.
84 + -84 + 3r = -30 + -84

Combine like terms: 84 + -84 = 0
0 + 3r = -30 + -84
3r = -30 + -84

Combine like terms: -30 + -84 = -114
3r = -114

Divide each side by '3'.
r = -38

Simplifying
r = -38

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