Question

x+y=3 substitute
y=x-1

Answer 1

just replace y with x - 1, solve for x and then y after that

Answer 2

x+x-1=3

Answer 3

mhmm go on

Answer 4

i dnt know what to do next

Answer 5

add 1 to both sides, then simply

Answer 6

x=4

Answer 7

what is x + x?

Answer 8

x^2

Answer 9

thats x * x

Answer 10

2

Answer 11

2x

Answer 12

2x+4

Answer 13

x+x-1=3, add one, u get x + x = 4

Answer 14

and since x + x is 2 x, wut is x when 2x = 4?