4+2r+r=-2

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Solution for 4+2r+r=-2 equation: 


Simplifying
4 + 2r + r = -2

Combine like terms: 2r + r = 3r
4 + 3r = -2

Solving
4 + 3r = -2

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 3r = -2 + -4

Combine like terms: 4 + -4 = 0
0 + 3r = -2 + -4
3r = -2 + -4

Combine like terms: -2 + -4 = -6
3r = -6

Divide each side by '3'.
r = -2

Simplifying
r = -2

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