2r+12=6r-16

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Solution for 2r+12=6r-16 equation:


Simplifying
2r + 12 = 6r + -16

Reorder the terms:
12 + 2r = 6r + -16

Reorder the terms:
12 + 2r = -16 + 6r

Solving
12 + 2r = -16 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
12 + 2r + -6r = -16 + 6r + -6r

Combine like terms: 2r + -6r = -4r
12 + -4r = -16 + 6r + -6r

Combine like terms: 6r + -6r = 0
12 + -4r = -16 + 0
12 + -4r = -16

Add '-12' to each side of the equation.
12 + -12 + -4r = -16 + -12

Combine like terms: 12 + -12 = 0
0 + -4r = -16 + -12
-4r = -16 + -12

Combine like terms: -16 + -12 = -28
-4r = -28

Divide each side by '-4'.
r = 7

Simplifying
r = 7

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