Answer:
2
Step-by-step explanation:
√4 = 2
-7+n=12
this leaves us with n=19
Answer:
x =200
Step-by-step explanation:

Answer:
x=-7
Step-by-step explanation:
Alrighty. 5x+8=2x-13. Lets do -2x on both sides. We'll get 3x+8=-13. Then lets subtract 8 from both sides. We'll get 3x=-21. Divide by 3 and we'll get x=-7. Hope that makes sense.