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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