14-2r-1-7r=-4r+8r

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Solution for 14-2r-1-7r=-4r+8r equation: 


Simplifying
14 + -2r + -1 + -7r = -4r + 8r

Reorder the terms:
14 + -1 + -2r + -7r = -4r + 8r

Combine like terms: 14 + -1 = 13
13 + -2r + -7r = -4r + 8r

Combine like terms: -2r + -7r = -9r
13 + -9r = -4r + 8r

Combine like terms: -4r + 8r = 4r
13 + -9r = 4r

Solving
13 + -9r = 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.
13 + -9r + -4r = 4r + -4r

Combine like terms: -9r + -4r = -13r
13 + -13r = 4r + -4r

Combine like terms: 4r + -4r = 0
13 + -13r = 0

Add '-13' to each side of the equation.
13 + -13 + -13r = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -13r = 0 + -13
-13r = 0 + -13

Combine like terms: 0 + -13 = -13
-13r = -13

Divide each side by '-13'.
r = 1

Simplifying
r = 1

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