Register
4a + 6b=10 2a - 4b = 12 What is 12a
110k views
3 votes
4a + 6b=10
2a - 4b = 12
What is 12a

User Warpedspeed
by
7.9k points

1 Answer

4 votes
If you want to find the value of a, or of 12a, you'll need to eliminate the variable b.  Try this:  Multiply the first equation by 4 and the second by 6.  You'll get 24b-24b=0.  Solve for a.  Then mult. a by 12, to obtain 12a and its numeric value.
User Crowbent
by
7.8k points
← Prev Question Next Question →

Related questions

User Nasly
asked Jul 22, 2016 95.9k views
4a+6b=10 2a-4b=12 what does 12a =?
Nasly asked Jul 22, 2016
by Nasly
8.3k points
1 answer
5 votes
95.9k views
User Elliott Hughes
asked Dec 4, 2017 226k views
What is 12a equal to if 4a plus 6b = 10 and 2a-4b=12?
Elliott Hughes asked Dec 4, 2017
by Elliott Hughes
8.3k points
2 answers
3 votes
226k views
User Kylee
asked Dec 10, 2018 103k views
4a + 6b= 10 2a - 4b =12 what does 12a=
Kylee asked Dec 10, 2018
by Kylee
7.9k points
1 answer
3 votes
103k 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
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
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!