3r-9=10-8r+3

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Solution for 3r-9=10-8r+3 equation:


Simplifying
3r + -9 = 10 + -8r + 3

Reorder the terms:
-9 + 3r = 10 + -8r + 3

Reorder the terms:
-9 + 3r = 10 + 3 + -8r

Combine like terms: 10 + 3 = 13
-9 + 3r = 13 + -8r

Solving
-9 + 3r = 13 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
-9 + 3r + 8r = 13 + -8r + 8r

Combine like terms: 3r + 8r = 11r
-9 + 11r = 13 + -8r + 8r

Combine like terms: -8r + 8r = 0
-9 + 11r = 13 + 0
-9 + 11r = 13

Add '9' to each side of the equation.
-9 + 9 + 11r = 13 + 9

Combine like terms: -9 + 9 = 0
0 + 11r = 13 + 9
11r = 13 + 9

Combine like terms: 13 + 9 = 22
11r = 22

Divide each side by '11'.
r = 2

Simplifying
r = 2

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