Question

Anybody know these 2 questions for me I’m stuck

Answer 1

for the first one: you substitute y= x + 4 into the second equation:
(x+5)+(x+4+5) = 24
x=5

for the second one: you substitute 5 as x:
y = 5+4
so y = 9

hope this helps:)

Answer 2

i do !!

Explanation: