7r-2r=2r+8

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Solution for 7r-2r=2r+8 equation:


Simplifying
7r + -2r = 2r + 8

Combine like terms: 7r + -2r = 5r
5r = 2r + 8

Reorder the terms:
5r = 8 + 2r

Solving
5r = 8 + 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.
5r + -2r = 8 + 2r + -2r

Combine like terms: 5r + -2r = 3r
3r = 8 + 2r + -2r

Combine like terms: 2r + -2r = 0
3r = 8 + 0
3r = 8

Divide each side by '3'.
r = 2.666666667

Simplifying
r = 2.666666667

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