Question

Four less than 2 times the quantity of a number minus 3 is 12

Answer 1

Let n = our number

4 - 2(n-3) = 12

4 - 2n + 6 = 12

-2n + 10 = 12

-2n = 12 - 10

-2n = 2

n = 2/-2

n = -1