2=4(2)+2r

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Solution for 2=4(2)+2r equation: 


Simplifying
2 = 4(2) + 2r

Multiply 4 * 2
2 = 8 + 2r

Solving
2 = 8 + 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 + -2r = 8 + 2r + -2r

Combine like terms: 2r + -2r = 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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