Question

please help me. if you guys help me I will definitely mark you as brainliest. the answer of this question is -4​

Answer 1

Answer:

-4

Step-by-step explanation:

1.5 z+12 = 6z+30

or, 1.5z-6z=30-12

or, -4.5z = 18

or, z = -18/4.5

or, z = -180/45

or, z= - 4

Answer 2

Step-by-step explanation:

3( 0.5z + 4) = 5 ( 1.2z + 6)

1.5z +12 = 6z + 30

12 - 30 = 6z - 1.5z

Z = - 18/4.5 = -4