8+17r-2=5r+90-2r

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Solution for 8+17r-2=5r+90-2r equation:


Simplifying
8 + 17r + -2 = 5r + 90 + -2r

Reorder the terms:
8 + -2 + 17r = 5r + 90 + -2r

Combine like terms: 8 + -2 = 6
6 + 17r = 5r + 90 + -2r

Reorder the terms:
6 + 17r = 90 + 5r + -2r

Combine like terms: 5r + -2r = 3r
6 + 17r = 90 + 3r

Solving
6 + 17r = 90 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
6 + 17r + -3r = 90 + 3r + -3r

Combine like terms: 17r + -3r = 14r
6 + 14r = 90 + 3r + -3r

Combine like terms: 3r + -3r = 0
6 + 14r = 90 + 0
6 + 14r = 90

Add '-6' to each side of the equation.
6 + -6 + 14r = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 14r = 90 + -6
14r = 90 + -6

Combine like terms: 90 + -6 = 84
14r = 84

Divide each side by '14'.
r = 6

Simplifying
r = 6

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