3r+2=r+8

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Solution for 3r+2=r+8 equation:


Simplifying
3r + 2 = r + 8

Reorder the terms:
2 + 3r = r + 8

Reorder the terms:
2 + 3r = 8 + r

Solving
2 + 3r = 8 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
2 + 3r + -1r = 8 + r + -1r

Combine like terms: 3r + -1r = 2r
2 + 2r = 8 + r + -1r

Combine like terms: r + -1r = 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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