Odpowiedź:
1.
y=-7+2x
-3x+4(-7+2x)=-3
-3x-28+8x=-3
5x=25
x=5
y=-7+10=3
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Odpowiedź:
1.
y=-7+2x
-3x+4(-7+2x)=-3
-3x-28+8x=-3
5x=25
x=5
y=-7+10=3