8-4r=(-8r+7)

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Solution for 8-4r=(-8r+7) equation:


Simplifying
8 + -4r = (-8r + 7)

Reorder the terms:
8 + -4r = (7 + -8r)

Remove parenthesis around (7 + -8r)
8 + -4r = 7 + -8r

Solving
8 + -4r = 7 + -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.
8 + -4r + 8r = 7 + -8r + 8r

Combine like terms: -4r + 8r = 4r
8 + 4r = 7 + -8r + 8r

Combine like terms: -8r + 8r = 0
8 + 4r = 7 + 0
8 + 4r = 7

Add '-8' to each side of the equation.
8 + -8 + 4r = 7 + -8

Combine like terms: 8 + -8 = 0
0 + 4r = 7 + -8
4r = 7 + -8

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

Divide each side by '4'.
r = -0.25

Simplifying
r = -0.25

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