Register

If 4m - 7n = 10 ans 2m + 2n = 4, then what is the value of 2m-9n

If 4m - 7n = 10 ans 2m + 2n = 4, then what is the value of 2m-9n
85.8k views
1 vote
If 4m - 7n = 10 ans 2m + 2n = 4, then what is the value of 2m-9n

User Trickydisco
by
7.4k points

1 Answer

5 votes
Given:
4m - 7n = 10 .................(1)
2m + 2n = 4 ..................(2)

(1)-(2)
4m - 7n - (2m + 2n) = 10-4
=>
2m-9n = 6
User Xtremist
by
8.1k points
← Prev Question Next Question →

Related questions

User Long Quanzheng
asked Jan 17, 2018 9.5k views
If 4m-7n=10 and 2m+2n=4, what is the value of 2m-9n?
Long Quanzheng asked Jan 17, 2018
by Long Quanzheng
8.3k points
1 answer
1 vote
9.5k 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

What is .725 as a fraction
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
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!