book Maths Puzzle Numerical Ability

Please help me solve 2y + x = -10

Read Solution (Total 0)

book Other Question

please help....
A line in the Cartesian plane passes through the points (1,3) and (5,4). What is the slope of the line? I need several equations on 61605 - you can use adding subtracting division suare roots - basical anything. but it all has to stay in the same order!
example- 6+16-0+5=27