Question

7x=70 what is the answer

Answer 1

7x=70
x=70/7 (Make the 7 'cross the bridge' and use the opposite sign. In this case the original sign in multiplication so when you cross the bridge, you gotta use the opposite which is division.)
x=10 (So 70 divided by 7 is 10)
The answer is 10. 

Answer 2

= 70 : 7
= 10
The answer is 10 (ten)
Sorry if wrong