3 years ago

How do you do this 3n+2+8n-9=180

Mathematics

2 answers:

raketka [301]3 years ago

6 0

Answer:

n=17

Step-by-step explanation:

3n+2+8n-9=180 : Start with equation

11n+2-9=180 : Combine variables (3n and 8n)

11n+2=189 : Add 9 to both sides to get rid of it

11n=187 : Subtract 2 from both sides to get rid of it

n=17 : Divide by 11

siniylev [52]3 years ago

4 0

Combined like terms than subtract with system of equations

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