-2+r=2r+4

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


Simplifying
-2 + r = 2r + 4

Reorder the terms:
-2 + r = 4 + 2r

Solving
-2 + r = 4 + 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.
-2 + r + -2r = 4 + 2r + -2r

Combine like terms: r + -2r = -1r
-2 + -1r = 4 + 2r + -2r

Combine like terms: 2r + -2r = 0
-2 + -1r = 4 + 0
-2 + -1r = 4

Add '2' to each side of the equation.
-2 + 2 + -1r = 4 + 2

Combine like terms: -2 + 2 = 0
0 + -1r = 4 + 2
-1r = 4 + 2

Combine like terms: 4 + 2 = 6
-1r = 6

Divide each side by '-1'.
r = -6

Simplifying
r = -6

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