2-4R+2=-20

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Solution for 2-4R+2=-20 equation: 


Simplifying
2 + -4R + 2 = -20

Reorder the terms:
2 + 2 + -4R = -20

Combine like terms: 2 + 2 = 4
4 + -4R = -20

Solving
4 + -4R = -20

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 + -4R = -20 + -4

Combine like terms: 4 + -4 = 0
0 + -4R = -20 + -4
-4R = -20 + -4

Combine like terms: -20 + -4 = -24
-4R = -24

Divide each side by '-4'.
R = 6

Simplifying
R = 6

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