menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
HELP Two equations are given below: a − 3b = 9 a = b − 3 What is the solution to the set of equations in the form (a, b)? (−9, −6) (−4, −3) (−6, −3) (−9, −7)
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
HELP Two equations are given below: a − 3b = 9 a = b − 3 What is the solution to the set of equations in the form (a, b)? (−9, −6) (−4, −3) (−6, −3) (−9, −7)
asked
Feb 19, 2018
77.1k
views
5
votes
HELP
Two equations are given below:
a − 3b = 9
a = b − 3
What is the solution to the set of equations in the form (a, b)?
(−9, −6)
(−4, −3)
(−6, −3)
(−9, −7)
Mathematics
high-school
ShaneTheKing
asked
by
ShaneTheKing
7.4k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
3
votes
a − 3b = 9
a = b − 3
we replace a=b-3 for this equation
a − 3b = 9 and we have (b-3)-3b=9
or b-3-3b=9
and -2b=9+3
or -2b=12
and we have b=12:(-2)= -6
and a=b-3= -6-3= -9
The answer is
(−9, −6)
Dragos Durlut
answered
Feb 24, 2018
by
Dragos Durlut
7.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jan 19, 2018
145k
views
Two equations are given below: a − 3b = 9 a = b − 3 What is the solution to the set of equations in the form (a, b)? (−9, −6) (−4, −3) (−6, −3) (−9, −7)
Kangaswad
asked
Jan 19, 2018
by
Kangaswad
9.2k
points
Mathematics
high-school
2
answers
1
vote
145k
views
asked
Feb 25, 2019
139k
views
wo equations are given below: a − 3b = 9 a = b − 3 What is the solution to the set of equations in the form (a, b)? (−9, −6) (−4, −3) (−6, −3) (−9, −7)
Jbtamares
asked
Feb 25, 2019
by
Jbtamares
7.0k
points
Mathematics
middle-school
1
answer
1
vote
139k
views
asked
Mar 23, 2019
138k
views
Two equations are given below: a − 3b = 9 a = b − 3 What is the solution to the set of equations in the form (a, b)? (−9, −6) (−4, −3) (−6, −3) (−9, −7)
Shuddh
asked
Mar 23, 2019
by
Shuddh
8.2k
points
Mathematics
middle-school
1
answer
4
votes
138k
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
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
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org