Question

For the formula x = 3y - z, what is the value of x when y = 4 and z = 1?

Answer 1

here, x=3y-z then,

(substitute value of y and z)

x=3×4-1

=12-1

x=11ans

Answer 2

x = 3y - z, y = 4 and z = 1
x = 3(4) - 1
x = 12 - 1
x = 11