Question

Solve these simultaneous equations using substitution method
x+y=7
x-y=5
​

Answer 1

Answer:

this is your answer

Step-by-step explanation:

x+y=7

x=7−y

putthevalueofxinsecondeq

x−y=5

7−y−y=5

7−2y=5

2y=2

y=1

x+y=7

x+1=7

x=6