Question

When x = 4 and y = 3, find the value of:

a) 2x + 7y - 10
b) y(x - 2y)
c) (5y - 3x)/12​

Answer 1

a) 2*4+7*3-10 = 25

b) 3(4-2*3) = -6

c) (5*3-3*4)/12= 4

Explanation:

just replace the variables with the numbers given .