9r+3+18r-17r=19+8+7

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Solution for 9r+3+18r-17r=19+8+7 equation:


Simplifying
9r + 3 + 18r + -17r = 19 + 8 + 7

Reorder the terms:
3 + 9r + 18r + -17r = 19 + 8 + 7

Combine like terms: 9r + 18r = 27r
3 + 27r + -17r = 19 + 8 + 7

Combine like terms: 27r + -17r = 10r
3 + 10r = 19 + 8 + 7

Combine like terms: 19 + 8 = 27
3 + 10r = 27 + 7

Combine like terms: 27 + 7 = 34
3 + 10r = 34

Solving
3 + 10r = 34

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + 10r = 34 + -3

Combine like terms: 3 + -3 = 0
0 + 10r = 34 + -3
10r = 34 + -3

Combine like terms: 34 + -3 = 31
10r = 31

Divide each side by '10'.
r = 3.1

Simplifying
r = 3.1

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