Suma dwoch liczb jest rowna -40 a ich roznica -160.jakie to liczby?
1 liczba ---- x
2 liczba ----- (-40) - x
x - [ -40 - x ] = -160
x + 40 + x = - 160
2x = - 160 - 40
2x = - 200
x = -100
1 liczba ---- x = -100
2 liczba ----- (-40) - x = -40 + 100 = 60
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1 liczba ---- x
2 liczba ----- (-40) - x
x - [ -40 - x ] = -160
x + 40 + x = - 160
2x = - 160 - 40
2x = - 200
x = -100
1 liczba ---- x = -100
2 liczba ----- (-40) - x = -40 + 100 = 60