3x + 5 = 0.5x - 7. answer this question correctly and I will mark you as a brainlist.
Answers
Answered by
1
Step-by-step explanation:
Solution
verified
Verified by Toppr
0.3x+0.5y=0.5
0.5x+0.7y=0.74.
Multiply both the equations by 10, we get
3x+5y=5...(1)
5x+7y=7.4...(2)
Multiply (1) by 7 and (2) by 5. And subtract both the equations.
−4x=−2
21x+35y=3525x+35y=37−−−
x=
−4
−2
=
2
1
=0.5
Substitute the value of x in equation (1), we have
3(0.5)+5y=5
y=0.7
Answer : x=0.5 and y=0.7
Answered by
1
here is your ans
hopo it helps you
Attachments:
Similar questions