8+2r-7=6r+17-2r

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Solution for 8+2r-7=6r+17-2r equation:


Simplifying
8 + 2r + -7 = 6r + 17 + -2r

Reorder the terms:
8 + -7 + 2r = 6r + 17 + -2r

Combine like terms: 8 + -7 = 1
1 + 2r = 6r + 17 + -2r

Reorder the terms:
1 + 2r = 17 + 6r + -2r

Combine like terms: 6r + -2r = 4r
1 + 2r = 17 + 4r

Solving
1 + 2r = 17 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
1 + 2r + -4r = 17 + 4r + -4r

Combine like terms: 2r + -4r = -2r
1 + -2r = 17 + 4r + -4r

Combine like terms: 4r + -4r = 0
1 + -2r = 17 + 0
1 + -2r = 17

Add '-1' to each side of the equation.
1 + -1 + -2r = 17 + -1

Combine like terms: 1 + -1 = 0
0 + -2r = 17 + -1
-2r = 17 + -1

Combine like terms: 17 + -1 = 16
-2r = 16

Divide each side by '-2'.
r = -8

Simplifying
r = -8

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