9+2r-8=7r+3-3r

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Solution for 9+2r-8=7r+3-3r equation:


Simplifying
9 + 2r + -8 = 7r + 3 + -3r

Reorder the terms:
9 + -8 + 2r = 7r + 3 + -3r

Combine like terms: 9 + -8 = 1
1 + 2r = 7r + 3 + -3r

Reorder the terms:
1 + 2r = 3 + 7r + -3r

Combine like terms: 7r + -3r = 4r
1 + 2r = 3 + 4r

Solving
1 + 2r = 3 + 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 = 3 + 4r + -4r

Combine like terms: 2r + -4r = -2r
1 + -2r = 3 + 4r + -4r

Combine like terms: 4r + -4r = 0
1 + -2r = 3 + 0
1 + -2r = 3

Add '-1' to each side of the equation.
1 + -1 + -2r = 3 + -1

Combine like terms: 1 + -1 = 0
0 + -2r = 3 + -1
-2r = 3 + -1

Combine like terms: 3 + -1 = 2
-2r = 2

Divide each side by '-2'.
r = -1

Simplifying
r = -1

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