r+2=-r+8

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


Simplifying
r + 2 = -1r + 8

Reorder the terms:
2 + r = -1r + 8

Reorder the terms:
2 + r = 8 + -1r

Solving
2 + r = 8 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
2 + r + r = 8 + -1r + r

Combine like terms: r + r = 2r
2 + 2r = 8 + -1r + r

Combine like terms: -1r + r = 0
2 + 2r = 8 + 0
2 + 2r = 8

Add '-2' to each side of the equation.
2 + -2 + 2r = 8 + -2

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

Combine like terms: 8 + -2 = 6
2r = 6

Divide each side by '2'.
r = 3

Simplifying
r = 3

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