-5(r-4)=5(r+6)

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Solution for -5(r-4)=5(r+6) equation:


Simplifying
-5(r + -4) = 5(r + 6)

Reorder the terms:
-5(-4 + r) = 5(r + 6)
(-4 * -5 + r * -5) = 5(r + 6)
(20 + -5r) = 5(r + 6)

Reorder the terms:
20 + -5r = 5(6 + r)
20 + -5r = (6 * 5 + r * 5)
20 + -5r = (30 + 5r)

Solving
20 + -5r = 30 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
20 + -5r + -5r = 30 + 5r + -5r

Combine like terms: -5r + -5r = -10r
20 + -10r = 30 + 5r + -5r

Combine like terms: 5r + -5r = 0
20 + -10r = 30 + 0
20 + -10r = 30

Add '-20' to each side of the equation.
20 + -20 + -10r = 30 + -20

Combine like terms: 20 + -20 = 0
0 + -10r = 30 + -20
-10r = 30 + -20

Combine like terms: 30 + -20 = 10
-10r = 10

Divide each side by '-10'.
r = -1

Simplifying
r = -1

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