Algebra

Expand:

1. 3(4x + 3y)
2. 5(3x + 8y)
3. 9(2x - 6y)
4. 5(3x - y)
5. 6(5x + 3y)
6. 7(2x + 1)
7. 3(5x - 2)
8. 5(3x + 4)
9. 8x(7x + 3y)
10. 5x(3x + 7)

Find y,

1. if  3x = 5y/2                  6. if 8x = (3y - 7)/7
2. if  x = 9y/2                    7. if 5y = (2x - 4)/5
3. if 5x = 3y/4                   8. if 4y = (3x - 2)/5
4. if 7x = (3y + 2)/4          9. if 2y = (5x - 8)/3
5. if x = (5x - 3)/7           10. if 6y = (7x - 3)/4

Find x:

1. 7x - 3 = x - 9
2. 9x - 4 = 2x + 10
3. 4x - 3 = 12 - x
4. 7x - 8 = 19 - 2x
5. 5x + 12 = 6x - 3
6. 8x + 3 = 5x - 12
7. 9x + 4 = 8x - 3
8. 12x + 4 = 19 - 3x
9. x  - 5 = 3x - 7
10. 3x - 7 = 3 - 2x

1. If 3x = 4y/5, y =
2. If 2x = 8y/3, y =
3. If 4x = 9y/5, y =
4. If 6x = 7y/2, y =
5. If 3x = 8y/5, y =

Find y
1. if 3x + 4y = 8
2. if 4x + 7y = 3
3. if 5x + 3y = 7
4. if 2x - 8y = 3
5. if 9x - 3y = 4