Answer:
z = -35
Explanation:
2/7z = -10......divide both sides by 7/2
7/2(2/7)z = (-10)7/2
z = -70/2
-35
Multiply by 7 to get rid of the denominator.
2z=-70
divide by 2 to isolate z
z=-35
3.5m questions
4.4m answers