Advanced Challenge

Analyze the patterns and solve the equations!

1) Solve
x + 7 = 19. Find x.
2) Solve
5y = 20. Find y.
3) Solve
7y = 35. Find y.
4) Solve
x + 16 = 31. Find x.
5) Solve
6y = 24. Find y.
6) Solve
x + 20 = 30. Find x.
7) Solve
9y = 72. Find y.
8) Solve
8y = 64. Find y.
9) Solve
7y = 49. Find y.
10) Solve
x + 5 = 10. Find x.
11) Solve
x + 16 = 29. Find x.
12) Solve
9y = 72. Find y.
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