[tex] \frac{1}{2} y - 5 = - 7[/tex]
[tex] \frac{1}{2} y = - 7 + 5[/tex]
[tex] \frac{1}{2} y = - 2[/tex]
[tex]y = - 2 \div \frac{1}{2} [/tex]
[tex]y = - 2 \times \frac{2}{1} = - 2 \times 2 [/tex]
[tex]y = - 4[/tex]
Answer: y = -4
ok done. Thank to me :>
