r+1+8r=29-11

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Solution for r+1+8r=29-11 equation:


Simplifying
r + 1 + 8r = 29 + -11

Reorder the terms:
1 + r + 8r = 29 + -11

Combine like terms: r + 8r = 9r
1 + 9r = 29 + -11

Combine like terms: 29 + -11 = 18
1 + 9r = 18

Solving
1 + 9r = 18

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 9r = 18 + -1

Combine like terms: 1 + -1 = 0
0 + 9r = 18 + -1
9r = 18 + -1

Combine like terms: 18 + -1 = 17
9r = 17

Divide each side by '9'.
r = 1.888888889

Simplifying
r = 1.888888889

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