16+r=4(r+1)

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Solution for 16+r=4(r+1) equation: 


Simplifying
16 + r = 4(r + 1)

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

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

Combine like terms: r + -4r = -3r
16 + -3r = 4 + 4r + -4r

Combine like terms: 4r + -4r = 0
16 + -3r = 4 + 0
16 + -3r = 4

Add '-16' to each side of the equation.
16 + -16 + -3r = 4 + -16

Combine like terms: 16 + -16 = 0
0 + -3r = 4 + -16
-3r = 4 + -16

Combine like terms: 4 + -16 = -12
-3r = -12

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

Simplifying
r = 4

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