-5(r-4)=-2(4)

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


Simplifying
-5(r + -4) = -2(4)

Reorder the terms:
-5(-4 + r) = -2(4)
(-4 * -5 + r * -5) = -2(4)
(20 + -5r) = -2(4)

Multiply -2 * 4
20 + -5r = -8

Solving
20 + -5r = -8

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + -5r = -8 + -20

Combine like terms: 20 + -20 = 0
0 + -5r = -8 + -20
-5r = -8 + -20

Combine like terms: -8 + -20 = -28
-5r = -28

Divide each side by '-5'.
r = 5.6

Simplifying
r = 5.6

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