4-[7x-(3x+2y-1)+(-6x-2y+3)] jak to obliczyc prosze o pomoc
4 - [7x - (3x + 2y - 1) + (-6x - 2y + 3)] =
= 4 - (7x - 3x - 2y + 1 - 6x - 2y + 3) =
= 4 - 7x + 3x + 2y - 1 + 6x + 2y - 3 =
= 2x + 4y
Myślę że pomogłem i liczę na naj.:)
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4 - [7x - (3x + 2y - 1) + (-6x - 2y + 3)] =
= 4 - (7x - 3x - 2y + 1 - 6x - 2y + 3) =
= 4 - 7x + 3x + 2y - 1 + 6x + 2y - 3 =
= 2x + 4y
Myślę że pomogłem i liczę na naj.:)