Podany wyraz doprowadz do najprostszej postaci:
-(4-y)+7(y-7)-(-3)(2y-6)
To wszystko ,prawda że mało a dyżo punktów :D
...=-4+y +7y -49 +6y - 18 =
= 14y-71
.=-4+y +7y -49 +6y - 18 =
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...=-4+y +7y -49 +6y - 18 =
= 14y-71
.=-4+y +7y -49 +6y - 18 =
= 14y-71