a) 3x+5y= 11
2x-y= 16
b)x+y= 2
4x-2y= 5
Ola Marcela
a)
3x + 5y = 11
2x - y = 16
6x + 10y = 22
-6x + 3y = -48
13y = -26
y = -2
3x - 10 = 11
3x = 21
x = 7
b)
x + y = 2
4x - 2y = 5
2x + 2y = 4
6x = 9
x = 3/2
3 + 2y = 4
2y = 1
y = 1/2
pronto
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Answers & Comments
Ola Marcela
a)
3x + 5y = 11
2x - y = 16
6x + 10y = 22
-6x + 3y = -48
13y = -26
y = -2
3x - 10 = 11
3x = 21
x = 7
b)
x + y = 2
4x - 2y = 5
2x + 2y = 4
6x = 9
x = 3/2
3 + 2y = 4
2y = 1
y = 1/2
pronto