28=4(r+4)

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Solution for 28=4(r+4) equation:


Simplifying
28 = 4(r + 4)

Reorder the terms:
28 = 4(4 + r)
28 = (4 * 4 + r * 4)
28 = (16 + 4r)

Solving
28 = 16 + 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.
28 + -4r = 16 + 4r + -4r

Combine like terms: 4r + -4r = 0
28 + -4r = 16 + 0
28 + -4r = 16

Add '-28' to each side of the equation.
28 + -28 + -4r = 16 + -28

Combine like terms: 28 + -28 = 0
0 + -4r = 16 + -28
-4r = 16 + -28

Combine like terms: 16 + -28 = -12
-4r = -12

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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