4=8r-1

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Solution for 4=8r-1 equation:


Simplifying
4 = 8r + -1

Reorder the terms:
4 = -1 + 8r

Solving
4 = -1 + 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.
4 + -8r = -1 + 8r + -8r

Combine like terms: 8r + -8r = 0
4 + -8r = -1 + 0
4 + -8r = -1

Add '-4' to each side of the equation.
4 + -4 + -8r = -1 + -4

Combine like terms: 4 + -4 = 0
0 + -8r = -1 + -4
-8r = -1 + -4

Combine like terms: -1 + -4 = -5
-8r = -5

Divide each side by '-8'.
r = 0.625

Simplifying
r = 0.625

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