r+7-3r=-11

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Solution for r+7-3r=-11 equation:


Simplifying
r + 7 + -3r = -11

Reorder the terms:
7 + r + -3r = -11

Combine like terms: r + -3r = -2r
7 + -2r = -11

Solving
7 + -2r = -11

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + -2r = -11 + -7

Combine like terms: 7 + -7 = 0
0 + -2r = -11 + -7
-2r = -11 + -7

Combine like terms: -11 + -7 = -18
-2r = -18

Divide each side by '-2'.
r = 9

Simplifying
r = 9

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