37.6k views
7 votes
3z + 6 (m-5) =-48
solve for z

User Mauli
by
6.4k points

2 Answers

9 votes

Answer:

z = -2(m + 3)

Explanation:

Given :

  • 3z + 6(m - 5) = -48

Divide throughout by 3 :

  • 1/3 x (3z + 6(m - 5)) = -48 x 1/3
  • z + 2(m - 5) = -16

Subtract 2(m - 5) on each side :

  • z + 2(m - 5) - 2(m - 5) = -16 - 2(m - 5)
  • z = -16 - 2(m - 5)

Simplify the RHS :

  • z = -16 - 2m + 10
  • z = -2m - 6
  • z = -2(m + 3)

User Dhokas
by
6.3k points
5 votes

Answer:


z=2m+6

Explanation:


3z+6(m-5)=-48\\6(m-5)+48=3z\\6m-30+48=3z\\6m+18=3z\\


(6m+18)/(3) =(3z)/(3)


2m+6=z

User Jamessan
by
6.7k points