Question

What is the y-value in the solution to this system of linear equations?
4x + 5y = −12
-2x + 3y = −16

Answer 1

@Nnesha

Answer 2

@dan815

Answer 3

multiply the 2nd equation by 2

add that new equation to the first

that will give you an equation in y which will give you your answer

Answer 4

what do u mean ?

Answer 5

@MrNood

Answer 6

Dose this help??

Answer 7

no. that does not help

Answer 8

my options are
-4
-2
2
5

Answer 9

3 or 4 ways to find solution of 2 equation
substitution
elimination
graphing
matrices which one is easy for you ?

Answer 10

elimination

Answer 11

okay in order to eliminate one variable it should have same coefficient

Answer 12

so that's why Mrnood said to multiply 2nd equation by 2
then you would get same coefficient with opposite signs