Rozwiąż równania:
5-[(8x+7)-18x]=9x
5 - ( 8x +7 -18x) = 9x
5 -(-10x +7) = 9x
5 +10x -7x -9x = 0
10x -16x = -5
-6x = -5 /:(-6)
x = 5/6
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Rozwiąż równania:
5-[(8x+7)-18x]=9x
5 - ( 8x +7 -18x) = 9x
5 -(-10x +7) = 9x
5 +10x -7x -9x = 0
10x -16x = -5
-6x = -5 /:(-6)
x = 5/6