Register

What is the value of x + y + z when 6x + 5y - 2z = -4 and 4x + 5y + 12z = 54? I'm really stuck on this problem. Can someone please help? Thanks!!

What is the value of x + y + z when 6x + 5y - 2z = -4 and 4x + 5y + 12z = 54? I'm really stuck on this problem. Can someone please help? Thanks!!
212k views
5 votes
What is the value of x + y + z when 6x + 5y - 2z = -4 and 4x + 5y + 12z = 54?

I'm really stuck on this problem. Can someone please help?

Thanks!!

User Akuz
by
8.2k points

1 Answer

4 votes
Using systems of equations I ended up getting these two equations:
x = 7z - 29
y = -8z-30.9

Plug in the variables into the equation x + y + z:
(7z - 29)-(8z -30.8)+ z
Add and the equation ends up equal to -59.8
User Joshkunz
by
8.5k points
← Prev Question Next Question →

Related questions

User Tylerjroach
asked Sep 1, 2024 92.2k views
Subtract (-2z^2 - 14 ) - (-12z^2 ).
Tylerjroach asked Sep 1, 2024
by Tylerjroach
8.1k points
1 answer
3 votes
92.2k views
User JoshLor
asked Oct 5, 2024 148k views
Solve the following inequality. 12z - 3 ≥ 2z - 15
JoshLor asked Oct 5, 2024
by JoshLor
7.4k points
2 answers
0 votes
148k views
User Batressc
asked Jul 3, 2017 111k views
What is the simplified form of 12z^2-7z-12/3z^2+2z-8? ...?
Batressc asked Jul 3, 2017
by Batressc
8.3k points
1 answer
4 votes
111k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!