65.3k views
3 votes
PLZ PLZ Help me! I don't know how to do this.
Can someone please help me.

PLZ PLZ Help me! I don't know how to do this. Can someone please help me.-example-1
PLZ PLZ Help me! I don't know how to do this. Can someone please help me.-example-1
PLZ PLZ Help me! I don't know how to do this. Can someone please help me.-example-2
PLZ PLZ Help me! I don't know how to do this. Can someone please help me.-example-3

2 Answers

5 votes
7)
4n + 5 + 8n - 5 = 180
12n = 180
n = 15

answer
Last one
n = 15
8)
8.5x + 2 = 9x - 6
-0.5x = -8
x = 16
answer
B. x = 16

9)

4z + 3z + 6 = 90
7z = 84
z = 12

answer
A. z = 12

User Talha Bin Shakir
by
7.8k points
4 votes
N in this problem is equal to 15.
User Michal Loksik
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.