Register
Work out the value of 3x + 2y when x=4 and y=-5
51.6k views
4 votes
Work out the value of 3x + 2y when x=4 and y=-5

User Lorenzo Montanari
by
8.5k points

2 Answers

5 votes
Just substitute the equation with the given

The given are
x = 4 and y = -5
the equation is
3x + 2y
3 (4) + 2 (-5) = 12 - 10 = 2
User Gobernador
by
8.6k points
2 votes

3x + 2y =

3*4 + 2*-5=

12 + -10 = 2


User Zuleima
by
8.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m 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!