Przwiąż równanie.
(x-7)-2(3x+5)=3
x-7-6x-10=3
x-6x=3+7+10
-5x=20 /:(-5)
x=-4
(x-7)-6x-10=3
-5x=20
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x-7-6x-10=3
x-6x=3+7+10
-5x=20 /:(-5)
x=-4
(x-7)-6x-10=3
x-7-6x-10=3
-5x=20
x=-4