Witam;]
Zadanie z matematyki;o
Rozwiąż układy równań
a x=y
5x-y=4
B y=2x+1
4x+y=13
Daje Naj :D
4y = 4 / :4
y = 1
x= 1
b)
4x + 2x + 1 = 13 /-1
6x = 12
x = 2
y = 5
a)x=y
5y-y=4
x=y
4y=4/:4
y=1
x=1
b)y=2x+1
4x+2x+1=13
y=2x+1
6x=13-1
y=2x=1
6x=12/:6
x=2
y=2*2+1
y=4+1
y=5
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4y = 4 / :4
y = 1
x= 1
b)
4x + 2x + 1 = 13 /-1
6x = 12
x = 2
y = 5
a)x=y
5y-y=4
x=y
4y=4/:4
x=y
y=1
x=1
y=1
b)y=2x+1
4x+2x+1=13
y=2x+1
6x=13-1
y=2x=1
6x=12/:6
y=2x+1
x=2
y=2*2+1
x=2
y=4+1
x=2
y=5
x=2