Question

what is x+3+y and 21x+8y=-24

Answer 1

13y/21+13/7

Answer 2

do you mean:
x + 3 = y
21x + 8y = -24

Answer 3

what does x and y equal

Answer 4

Maybe this will help

olve by Substitution :

// Solve equation [1] for the variable x


[1] x = y + 3

// Plug this in for variable x in equation [2]

[2] 21•(y +3) + 8y = -24
[2] 29y = -87
// Solve equation [2] for the variable y


[2] 29y = - 87

[2] y = - 3
// By now we know this much :

x = y+3
y = -3
// Use the y value to solve for x

x = (-3)+3 = 0
Solution :

{x,y} = {0,-3}

Answer 5

thanks

Answer 6

Welcome