3r-7r+7+r=

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


Simplifying
3r + -7r + 7 + r = 0

Reorder the terms:
7 + 3r + -7r + r = 0

Combine like terms: 3r + -7r = -4r
7 + -4r + r = 0

Combine like terms: -4r + r = -3r
7 + -3r = 0

Solving
7 + -3r = 0

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 + -3r = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3r = 0 + -7
-3r = 0 + -7

Combine like terms: 0 + -7 = -7
-3r = -7

Divide each side by '-3'.
r = 2.333333333

Simplifying
r = 2.333333333

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