16+8r=2-3(7-r)

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Solution for 16+8r=2-3(7-r) equation: 


Simplifying
16 + 8r = 2 + -3(7 + -1r)
16 + 8r = 2 + (7 * -3 + -1r * -3)
16 + 8r = 2 + (-21 + 3r)

Combine like terms: 2 + -21 = -19
16 + 8r = -19 + 3r

Solving
16 + 8r = -19 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
16 + 8r + -3r = -19 + 3r + -3r

Combine like terms: 8r + -3r = 5r
16 + 5r = -19 + 3r + -3r

Combine like terms: 3r + -3r = 0
16 + 5r = -19 + 0
16 + 5r = -19

Add '-16' to each side of the equation.
16 + -16 + 5r = -19 + -16

Combine like terms: 16 + -16 = 0
0 + 5r = -19 + -16
5r = -19 + -16

Combine like terms: -19 + -16 = -35
5r = -35

Divide each side by '5'.
r = -7

Simplifying
r = -7

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