20a+3b=7
-15a+8b=5
find (a) and (b)
Attachments:
Answers
Answered by
0
ifyou are grade 9 student then the formula you have to use a+b+c=x
Answered by
2
Answer:
this question is solve by elimination method
Step-by-step explanation:
multiply 1st equation by 15 and second equation by 20
Similar questions