8(3-10r)=8(5r-10)

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Solution for 8(3-10r)=8(5r-10) equation:


Simplifying
8(3 + -10r) = 8(5r + -10)
(3 * 8 + -10r * 8) = 8(5r + -10)
(24 + -80r) = 8(5r + -10)

Reorder the terms:
24 + -80r = 8(-10 + 5r)
24 + -80r = (-10 * 8 + 5r * 8)
24 + -80r = (-80 + 40r)

Solving
24 + -80r = -80 + 40r

Solving for variable 'r'.

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

Add '-40r' to each side of the equation.
24 + -80r + -40r = -80 + 40r + -40r

Combine like terms: -80r + -40r = -120r
24 + -120r = -80 + 40r + -40r

Combine like terms: 40r + -40r = 0
24 + -120r = -80 + 0
24 + -120r = -80

Add '-24' to each side of the equation.
24 + -24 + -120r = -80 + -24

Combine like terms: 24 + -24 = 0
0 + -120r = -80 + -24
-120r = -80 + -24

Combine like terms: -80 + -24 = -104
-120r = -104

Divide each side by '-120'.
r = 0.8666666667

Simplifying
r = 0.8666666667

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