[tex]7000 - (49 \times 62 + 36 \div 6) + 4 \times y = 3983 \\ 7000 - (3038 + 6) + 4 \times y = 3983 \\ 7000 - 3044 + 4 \times y = 3983 \\ 3956 + 4 \times y = 3983 | - 3956 \\ 4y = 27 | \div 4 \\ y = \frac{27}{4} = 6.75[/tex]