X+y=4
x-2y=-5
If the first equation is multiplied by 2 and then the equations are added, the...
Mathematics, 26.07.2021 19:10, lclaudettecarte8346
X+y=4
x-2y=-5
If the first equation is multiplied by 2 and then the equations are added, the result is
=3
3 = 13
o3х=3 3
Answers: 3
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