3×+2y=20and 2×+3y=30then
find the value of x+y
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Answered by
0
multiply equation 1 and 2 by 2 and 3 respectively.
then subtract the new equations,,, by this you can eliminate 1 variable because their coefficient would be same.
when the equations is reduced to one variable solve it .
Answered by
17
Answer: x+y = 10 + 0 = 10
hope it helps
have a nice day
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