pomórzcie mi to rozwiązać:
5(-2x - 2\5) + 7 = 25 - 6x
-10x-2+7=25-6x
-10x+6x=25+2-7
-4x=20/:-4
x=-5
-10x -2 + 7 = 25 - 6x -10x + 6x = 25 + 2 - 7 -4x = 20 / -4 x = -5
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5(-2x - 2\5) + 7 = 25 - 6x
-10x-2+7=25-6x
-10x+6x=25+2-7
-4x=20/:-4
x=-5
5(-2x - 2\5) + 7 = 25 - 6x
-10x -2 + 7 = 25 - 6x
-10x + 6x = 25 + 2 - 7
-4x = 20 / -4
x = -5