16=2(r+5)-4

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Solution for 16=2(r+5)-4 equation: 


Simplifying
16 = 2(r + 5) + -4

Reorder the terms:
16 = 2(5 + r) + -4
16 = (5 * 2 + r * 2) + -4
16 = (10 + 2r) + -4

Reorder the terms:
16 = 10 + -4 + 2r

Combine like terms: 10 + -4 = 6
16 = 6 + 2r

Solving
16 = 6 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
16 + -2r = 6 + 2r + -2r

Combine like terms: 2r + -2r = 0
16 + -2r = 6 + 0
16 + -2r = 6

Add '-16' to each side of the equation.
16 + -16 + -2r = 6 + -16

Combine like terms: 16 + -16 = 0
0 + -2r = 6 + -16
-2r = 6 + -16

Combine like terms: 6 + -16 = -10
-2r = -10

Divide each side by '-2'.
r = 5

Simplifying
r = 5

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