5(r+6)=10(r-2)

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Solution for 5(r+6)=10(r-2) equation:


Simplifying
5(r + 6) = 10(r + -2)

Reorder the terms:
5(6 + r) = 10(r + -2)
(6 * 5 + r * 5) = 10(r + -2)
(30 + 5r) = 10(r + -2)

Reorder the terms:
30 + 5r = 10(-2 + r)
30 + 5r = (-2 * 10 + r * 10)
30 + 5r = (-20 + 10r)

Solving
30 + 5r = -20 + 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
30 + 5r + -10r = -20 + 10r + -10r

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

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

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

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

Combine like terms: -20 + -30 = -50
-5r = -50

Divide each side by '-5'.
r = 10

Simplifying
r = 10

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