6r-(3r+9)=17

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Solution for 6r-(3r+9)=17 equation:


Simplifying
6r + -1(3r + 9) = 17

Reorder the terms:
6r + -1(9 + 3r) = 17
6r + (9 * -1 + 3r * -1) = 17
6r + (-9 + -3r) = 17

Reorder the terms:
-9 + 6r + -3r = 17

Combine like terms: 6r + -3r = 3r
-9 + 3r = 17

Solving
-9 + 3r = 17

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 3r = 17 + 9

Combine like terms: -9 + 9 = 0
0 + 3r = 17 + 9
3r = 17 + 9

Combine like terms: 17 + 9 = 26
3r = 26

Divide each side by '3'.
r = 8.666666667

Simplifying
r = 8.666666667

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