Answer:
y = - [tex]\frac{24}{7}[/tex]
Step-by-step explanation:
Substitute x = - 3 into the expression
2x - 7y = 30
2(- 3) - 7y = 30
- 6 - 7y = 30 ( add 6 to both sides )
- 7y = 36 ( divide both sides by - 7 )
y = [tex]\frac{36}{-7}[/tex] = - [tex]\frac{36}{7}[/tex]