book Maths Puzzle Numerical Ability

how would i work this problem out :3x-y=1

Read Solution (Total 0)

book Other Question

solve x(x-1) = 3x + 2

I got x^2 - x = 3x + 2
x^2 - 4x - 2 = 0

im stuck!
Please help me solve these two problems.

1. 9(t-1)=(t+4)-t



2. 40-8s/5=-2s