-4r-1=-25

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Solution for -4r-1=-25 equation:


Simplifying
-4r + -1 = -25

Reorder the terms:
-1 + -4r = -25

Solving
-1 + -4r = -25

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + -4r = -25 + 1

Combine like terms: -1 + 1 = 0
0 + -4r = -25 + 1
-4r = -25 + 1

Combine like terms: -25 + 1 = -24
-4r = -24

Divide each side by '-4'.
r = 6

Simplifying
r = 6

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