Question

Evaluate the expression, using the given value of the variable. z ÷ 3 – 5z + 4(z – 2) when z = 12

a. –16
b. –14
c. –98
d. –96

Answer 1

=12/3-5x12+4(12-2)
=12/3-5x12+4x10
=4-60+40
=-56+40
=-16
a. -16

Answer 2

= 12/3 -5*12+4(12-2) = 4-60+40 = -16, so a