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5x+5y+1=5(x+y+1/5)
6x-9y=3(2x-3y)
4x-y=4(x-¼y)
2)5x+5y+1=5(x+y+0.2)
3)6x-9y=3(2x-3y)
4)4x-y=4(x-1/4y)
proszę naj ;))
5x + 5y + 1 = 5(x + y + 1/5)
6x - 9y = 3(2x - 3y)
4x - y = 4(x - (1/4)y)