X + y = -15. Subtract x from both sides.
y = -x - 15. This is as far as we can go with the provided information.
Answer:
4900
Step-by-step explanation:
70^2 means 70*70
70*70=4900
Answer:
90 or -270
Step-by-step explanation:
Answer:
-6
Step-by-step explanation:
Add 2x-15 to both sides to get 2x=-12 or x = -6.