4+-2r=6

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Solution for 4+-2r=6 equation: 


Simplifying
4 + -2r = 6

Solving
4 + -2r = 6

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 + -2r = 6 + -4

Combine like terms: 4 + -4 = 0
0 + -2r = 6 + -4
-2r = 6 + -4

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

Divide each side by '-2'.
r = -1

Simplifying
r = -1

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