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Simplify this expression

100

8( 6n - 3)

48n-24

200

8( r- 2)

8r-16

300

-7(4k + 8)

-28k+ -56

400

7(2+9p)

14+63p

500

-2(1+ 72L)

-2+-144 L

Solve these equations

100

7+r =16

9

200

K/7=-11

-77

300

-18=x -18

0

400

 6=7 + x/20

-20

500

97= -8n-7

-13