Question

translate to a system of equations and solve susan is 10 years older than matthew. in 4 years susan will be twice as old asmatthew. how old are they now??????

Answer 1

x+10=y
(y+4)=2(x+4)

Answer 2

ok so how old are they now

Answer 3

can you solve for x and y

Answer 4

kinda

Answer 5

You can use one of many method to solve this
1) elimination
2) Substituion
3) Matrix

Answer 6

x-y=-10

Answer 7

i dont think it mattrs i can use watever works best

Answer 8

Ok, In this case I think substitution is easiest
x=y-10

let plug in the other equation
(y+4)=2(x+4)
y+4=2x+8
y-4=2x
.5y-2=x
** remember x=y-10
.5y-2=y-10

Answer 9

ok so far i get it but i dont think that i did it right will u postwat u got