If $y-2x=4$and $y-3x=-1$, find the value of $(x-y)$

Solve for y in the equations

$2x-3y=22$

$3x+2y=7$

Find the value of P if $\tfrac{1}{4}p+3q=10$and $2p-\tfrac{1}{3}q=7$ 

If x + y = 12 and 3x – y =20, find the value of 2x – y

A messenger was paid N2.50  an hour during the normal working hours and N4.00 an hour during overtime. If he received N31.00 for 10 hours works, how many hours are for the overtime?

Solve the simultaneous equations$\begin{align}  & x+y=2 \\ & 3x-2y=1 \\\end{align}$

Five bottles of Fanta and two packets of biscuits cost Gh¢ 6.00. Three bottles of Fanta and four packets of biscuits cost Gh¢ 5.00. Find the cost of a bottle of Fanta.

Solve the following equations            $\begin{align}  & 2x+3y=7 \\ & x+5y=0 \\\end{align}$ 

Given that $2x+y=7$and $3x-2y=3$, by now much is 7x greater than 10 

Solve the equations$\begin{align}  & 3x-2y=7 \\ & x+2y=-3 \\\end{align}$