Rozwiąż równanie
x/y = 5/4
x = y + 17
5y=4x
x=y+17
5y=4*(y+17)
5y=4y+68
5y-4y=68
y=68
5*68=4x
340=4x
85=x
x=340/:4
x=85
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5y=4x
x=y+17
5y=4*(y+17)
5y=4y+68
5y-4y=68
y=68
5*68=4x
340=4x
85=x
5y=4*(y+17)
5y=4y+68
5y-4y=68
y=68
5*68=4x
340=4x
x=340/:4
x=85