Answer :
Answer:
x = 21/10
Step-by-step explanation:
3/10 = x/7
Cross multiply.
10x = 21
x = 21/10
Answer:
x is 21/10
Step-by-step explanation:
3/10 = x/7
Multiply through by the LCM of 10 and 7 which is 70
we have
3/10 × 70 = x/7 × 70
21 = 10x
Divide both sides by 10
We have
21/10 = 10x /10
x = 21/10
Hope this helps you