Solve for x
Solve for y
Solve for n
Solve for m
Solve for r
100

x + 6 = 10

x = 4

100

y - 19 = 2

y = 21

100

5n = 35

n = 7

100

18 = m - 7

m = 25

100

-8r = -56

r = 7

200

11 = x - 4

x = 15

200

24 = 4y

y = 6

200

n - 6 = -9

n = -3

200

m/3 = 7

m = 21

200

r + 4 = -2

r = -6

300

5x + 2 = 12

x = 2

300

2y + 5y = 35

y = 5

300

n/2 +7 = 10

n = 6

300

4m - 5 = 11

m = 4

300

14r + 11r + 10 = 85

r = 3

400

-3(2x + 7) = 3

x = -4

400

-4(2y - 5) = -28

y = 6

400

7n + 13 = 5n - 3

n = -13

400

-8m + 3 = 2m -17

m = 2

400

-5r +7 = 11r - 25

r = 2

500

4 + 6(7 - x) = 4

x = 7

500

12 - 5(3y + 2) = 17

y = -1

500

8n + 3(12 - 7n) = 49

n = -1

500

-18=15m - 9(2m - 2)

m = 12

500

9(r - 2) = 3(r + 4)

r = 5

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