-64=-4r

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Solution for -64=-4r equation:


Simplifying
-64 = -4r

Solving
-64 = -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.
-64 + 4r = -4r + 4r

Combine like terms: -4r + 4r = 0
-64 + 4r = 0

Add '64' to each side of the equation.
-64 + 64 + 4r = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 4r = 0 + 64
4r = 0 + 64

Combine like terms: 0 + 64 = 64
4r = 64

Divide each side by '4'.
r = 16

Simplifying
r = 16

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