You would multiply by 1.7
Answer:
20
Step-by-step explanation: 5 times 20 = 100
Answer:

Step-by-step explanation:

(Subtract 2x from both sides of the equation)
(Divide both sides of the equation by 2 to get rid of y's coefficient)
(Simplify RHS)
Hope this helps!
My English is not that great but if I got it right the answer is 3