5r+7r=2r+19

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Solution for 5r+7r=2r+19 equation:


Simplifying
5r + 7r = 2r + 19

Combine like terms: 5r + 7r = 12r
12r = 2r + 19

Reorder the terms:
12r = 19 + 2r

Solving
12r = 19 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
12r + -2r = 19 + 2r + -2r

Combine like terms: 12r + -2r = 10r
10r = 19 + 2r + -2r

Combine like terms: 2r + -2r = 0
10r = 19 + 0
10r = 19

Divide each side by '10'.
r = 1.9

Simplifying
r = 1.9

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