12r-16+14r+12=-21+11

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Solution for 12r-16+14r+12=-21+11 equation:


Simplifying
12r + -16 + 14r + 12 = -21 + 11

Reorder the terms:
-16 + 12 + 12r + 14r = -21 + 11

Combine like terms: -16 + 12 = -4
-4 + 12r + 14r = -21 + 11

Combine like terms: 12r + 14r = 26r
-4 + 26r = -21 + 11

Combine like terms: -21 + 11 = -10
-4 + 26r = -10

Solving
-4 + 26r = -10

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + 26r = -10 + 4

Combine like terms: -4 + 4 = 0
0 + 26r = -10 + 4
26r = -10 + 4

Combine like terms: -10 + 4 = -6
26r = -6

Divide each side by '26'.
r = -0.2307692308

Simplifying
r = -0.2307692308

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