Simplife3^2 to 9
9x-7+2=0
9x-7+2to 9x-5
9x-5=0
add 5 to both sides 9x=5
Divide both sides by 9
x=5/9
The answer is C 16 I believe
Answer:
0
Step-by-step explanation:
73x=0
Let's allow ?=x because we need an unknown number.
x=0/73=0
x=0
Answer:
A
Step-by-step explanation:
oh steps are here!
Answer:
a
Step-by-step explanation:
100n^2 = (10n^2)
-1 = -(1^2)