16-5r=-(r+4)

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Solution for 16-5r=-(r+4) equation: 


Simplifying
16 + -5r = -1(r + 4)

Reorder the terms:
16 + -5r = -1(4 + r)
16 + -5r = (4 * -1 + r * -1)
16 + -5r = (-4 + -1r)

Solving
16 + -5r = -4 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
16 + -5r + r = -4 + -1r + r

Combine like terms: -5r + r = -4r
16 + -4r = -4 + -1r + r

Combine like terms: -1r + r = 0
16 + -4r = -4 + 0
16 + -4r = -4

Add '-16' to each side of the equation.
16 + -16 + -4r = -4 + -16

Combine like terms: 16 + -16 = 0
0 + -4r = -4 + -16
-4r = -4 + -16

Combine like terms: -4 + -16 = -20
-4r = -20

Divide each side by '-4'.
r = 5

Simplifying
r = 5

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