-2(5-r)=4

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Solution for -2(5-r)=4 equation:


Simplifying
-2(5 + -1r) = 4
(5 * -2 + -1r * -2) = 4
(-10 + 2r) = 4

Solving
-10 + 2r = 4

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + 2r = 4 + 10

Combine like terms: -10 + 10 = 0
0 + 2r = 4 + 10
2r = 4 + 10

Combine like terms: 4 + 10 = 14
2r = 14

Divide each side by '2'.
r = 7

Simplifying
r = 7

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