B and C make sense to me.
Answer:
35
Step-by-step explanation:
180-145=35
Answer:
huh?, give the full answer please
Step-by-step explanation:
If the bases ar same, assume exponents are same
if
x^z=x^m
assume z=m
so
base is both 7 therefor
3x+5=1-x
solve
add x
4x+5=1
minus 5
4x=-4
divide 4
x=-1