exam Maths Puzzle Numerical Ability

hi, i need exactly step by step solution using elimination and check,thank u

3y=7-2x
5y=7y-3

Read Solution (Total 0)

exam Other Question

e^ln(3) =
s. 1
b. 2
c. 0
d. e I can get the anser to this but I dont know how they got it.v and r are riding their bikes.V rides at 10 miles per hour while R rides at 7.r has a 30 minute head start. How long has R been riding when V is 7 miles ahead of him?