6r-12=r+8

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Solution for 6r-12=r+8 equation:


Simplifying
6r + -12 = r + 8

Reorder the terms:
-12 + 6r = r + 8

Reorder the terms:
-12 + 6r = 8 + r

Solving
-12 + 6r = 8 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-12 + 6r + -1r = 8 + r + -1r

Combine like terms: 6r + -1r = 5r
-12 + 5r = 8 + r + -1r

Combine like terms: r + -1r = 0
-12 + 5r = 8 + 0
-12 + 5r = 8

Add '12' to each side of the equation.
-12 + 12 + 5r = 8 + 12

Combine like terms: -12 + 12 = 0
0 + 5r = 8 + 12
5r = 8 + 12

Combine like terms: 8 + 12 = 20
5r = 20

Divide each side by '5'.
r = 4

Simplifying
r = 4

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