7r+2+9r=19

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Solution for 7r+2+9r=19 equation: 


Simplifying
7r + 2 + 9r = 19

Reorder the terms:
2 + 7r + 9r = 19

Combine like terms: 7r + 9r = 16r
2 + 16r = 19

Solving
2 + 16r = 19

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + 16r = 19 + -2

Combine like terms: 2 + -2 = 0
0 + 16r = 19 + -2
16r = 19 + -2

Combine like terms: 19 + -2 = 17
16r = 17

Divide each side by '16'.
r = 1.0625

Simplifying
r = 1.0625

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