Question

Solve by substitution: x + y = 3 2x + 3y = -4

Answer 1

more info needed here? what I am to sub in order to solve?

Answer 2

x + y = 3...(i)
2x + 3y = -4....(ii)
from (i)
x=3-y
substitute in (ii)
2(3-y) +3y = -4
6-2y+3y=-4
y=-4-6
y=??
x=??

Answer 3

so does x = -10 ?

Answer 4

no that is y = -10

Answer 5

so how do i get x ?

Answer 6

-10 and sub in for x and slove

Answer 7

@breeskee03 y=-10
remember from equation (i)
x=3-y
so just substitute to get x

Answer 8

so x= -7

Answer 9

@godorovg that's incorrect
x=3-y
x=3--10
x=3+10
x=13

Answer 10

opps dropped a minus sign sorry yes x=13