11+8+7r=34+9r-2

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Solution for 11+8+7r=34+9r-2 equation:


Simplifying
11 + 8 + 7r = 34 + 9r + -2

Combine like terms: 11 + 8 = 19
19 + 7r = 34 + 9r + -2

Reorder the terms:
19 + 7r = 34 + -2 + 9r

Combine like terms: 34 + -2 = 32
19 + 7r = 32 + 9r

Solving
19 + 7r = 32 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
19 + 7r + -9r = 32 + 9r + -9r

Combine like terms: 7r + -9r = -2r
19 + -2r = 32 + 9r + -9r

Combine like terms: 9r + -9r = 0
19 + -2r = 32 + 0
19 + -2r = 32

Add '-19' to each side of the equation.
19 + -19 + -2r = 32 + -19

Combine like terms: 19 + -19 = 0
0 + -2r = 32 + -19
-2r = 32 + -19

Combine like terms: 32 + -19 = 13
-2r = 13

Divide each side by '-2'.
r = -6.5

Simplifying
r = -6.5

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