Question

1/3(6z+7.2)=0.5(8z+2)-0.4

A z=0.8
B z=0.9
C z=2.8
D z=3.6
please help

Answer 1

B z = 0.9

Explanation:

1/3(6z + 7.2) = 0.5(8z + 2) - 0.4

Multiply both sides by 6.

12z + 14.4 = 24z + 6 - 2.4

-12z = -10.8

z = 0.9