7r-4r+5=9r+5-r

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Solution for 7r-4r+5=9r+5-r equation:


Simplifying
7r + -4r + 5 = 9r + 5 + -1r

Reorder the terms:
5 + 7r + -4r = 9r + 5 + -1r

Combine like terms: 7r + -4r = 3r
5 + 3r = 9r + 5 + -1r

Reorder the terms:
5 + 3r = 5 + 9r + -1r

Combine like terms: 9r + -1r = 8r
5 + 3r = 5 + 8r

Add '-5' to each side of the equation.
5 + -5 + 3r = 5 + -5 + 8r

Combine like terms: 5 + -5 = 0
0 + 3r = 5 + -5 + 8r
3r = 5 + -5 + 8r

Combine like terms: 5 + -5 = 0
3r = 0 + 8r
3r = 8r

Solving
3r = 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.
3r + -8r = 8r + -8r

Combine like terms: 3r + -8r = -5r
-5r = 8r + -8r

Combine like terms: 8r + -8r = 0
-5r = 0

Divide each side by '-5'.
r = 0

Simplifying
r = 0

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