3. For the simultaneous equation 5x + 6y = 20 and 4x + 3y = 25. The value of x + y = ?
Answers
Answered by
1
Answer:
x+y=5
Step-by-step explanation:
5x+6y=20
4x+3y=25
sum 9x+9y=45
9 (x+y)=45
x+y=5
Similar questions