Question

System of Equations, solve for x & y
3x+4y=4
6x+4y=16

Answer 1

@ganeshie8 @billj5 @Mashy @NaomiBell1997 @Goku-Kai @King.Void. @just_one_last_goodbye

Answer 2

ok so solve one of the 2 for x or y, you pick, since you wanted to use substitution

Answer 3

subtract 1st eq. from 2nd and find the value of x and then y

Answer 4

one of the two equations i mean

Answer 5

yeah elimination might be easier for this one

Answer 6

Elimination is the easiest.

Do you know how?

If not, you subtract the equations. So if you have 3x + 2 = 20
and then you have 1x + 1 = 10
the answer would be 2x + 1 = 10/

Make sense? Please tell me if it doesn't. :)

Answer 7

Oops, forgot to finish how to do it lol.

so you have 2x + 1 = 10

just do as you would normally do. 2x + 1 - 1 = 10 - 1
2x = 9

2x/2 = 9/2

x=4.5

Now substitute that into the equation

3x + 2 = 20

3(4.5) + 2 = 20

see?

(I know the problem doesn't equal 20=20 but you get the point lol) :)