Answer:
4
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
I think your right!
Answer:
it wold be A
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