3(r-4)=5r+10

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


Simplifying
3(r + -4) = 5r + 10

Reorder the terms:
3(-4 + r) = 5r + 10
(-4 * 3 + r * 3) = 5r + 10
(-12 + 3r) = 5r + 10

Reorder the terms:
-12 + 3r = 10 + 5r

Solving
-12 + 3r = 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.
-12 + 3r + -5r = 10 + 5r + -5r

Combine like terms: 3r + -5r = -2r
-12 + -2r = 10 + 5r + -5r

Combine like terms: 5r + -5r = 0
-12 + -2r = 10 + 0
-12 + -2r = 10

Add '12' to each side of the equation.
-12 + 12 + -2r = 10 + 12

Combine like terms: -12 + 12 = 0
0 + -2r = 10 + 12
-2r = 10 + 12

Combine like terms: 10 + 12 = 22
-2r = 22

Divide each side by '-2'.
r = -11

Simplifying
r = -11

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