1.
Resolva os sistemas de equações
do 1° grau:
a) {
X + y = 5
3x - y = 11<...
![subject](/tpl/images/cats/mat.png)
Mathematics, 19.09.2021 22:40 Priskittles
1.
Resolva os sistemas de equações
do 1° grau:
a) {
X + y = 5
3x - y = 11
b)
2x + 3y =8
5x - 2y = 1
x - y = 2(x - y)-2
4x - 3y = 7
c)
1
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