59
it means 8+3x 8 increased (plus) three times a number (3x) x is an unknown number so it is often called a number
5290
-1
There are two possible (and different) answers: 2x + 3y = 12 or 2*(x + 3y)= 12 The first one is (twice a number) increased by (three times another) The second is twice (a number increased by (three times another)).
That gives you 11/8 of the number.
99
3z+4
8+3*x
Let the number be x and so the expression is: 2x+3
2x+3
Three Missing Links was created in 1938.
you can play, just make sure to notify everyone to the missing cards