Answer:
x=3
Step-by-step explanation:
start with 7x=21
divide each side by 7 to get your answer:
x=3
Answer:
Step-by-step explanation:
n x 5
Answer:
6 (the last one)
Step-by-step explanation:
In order to isolate<em> f</em> you need to divide by 5/6
So, then you need to divide both sides by 5/6.
f=5(6/5) remember dividing is the same as multiplying by the reciprical.
f=6
Answer:
No. It's just a 90° angle.
Step-by-step explanation: