2r+7+2r=19

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


Simplifying
2r + 7 + 2r = 19

Reorder the terms:
7 + 2r + 2r = 19

Combine like terms: 2r + 2r = 4r
7 + 4r = 19

Solving
7 + 4r = 19

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 4r = 19 + -7

Combine like terms: 7 + -7 = 0
0 + 4r = 19 + -7
4r = 19 + -7

Combine like terms: 19 + -7 = 12
4r = 12

Divide each side by '4'.
r = 3

Simplifying
r = 3

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