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15-2x+40=25x+5-5x
-2x-25x+5x=5-40-15
-22x=-50
x=50:22
x= 2 6/22
x= 2 3/11
tam gdzie jest np 6/22 to są ułamki
Pozdrowienia :)
15 - 2x + 40 = 25x + 5 - 5x
-2x - 25x + 5x = 5 - 40 - 15
-22x = -50
x = 50 : 22
x = 2 6/22
x = 2 3/11