3(8-4r)=10-5r

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Solution for 3(8-4r)=10-5r equation:


Simplifying
3(8 + -4r) = 10 + -5r
(8 * 3 + -4r * 3) = 10 + -5r
(24 + -12r) = 10 + -5r

Solving
24 + -12r = 10 + -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.
24 + -12r + 5r = 10 + -5r + 5r

Combine like terms: -12r + 5r = -7r
24 + -7r = 10 + -5r + 5r

Combine like terms: -5r + 5r = 0
24 + -7r = 10 + 0
24 + -7r = 10

Add '-24' to each side of the equation.
24 + -24 + -7r = 10 + -24

Combine like terms: 24 + -24 = 0
0 + -7r = 10 + -24
-7r = 10 + -24

Combine like terms: 10 + -24 = -14
-7r = -14

Divide each side by '-7'.
r = 2

Simplifying
r = 2

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