Question

równania- 5(x-4)-3=22 48*(x+3)+22=46 4*(4*2)+4=52 PROSZĘ!!!!!!!!!! O Obliczenia

Answer 1

5(x-4)-3=22

5x-20-3=22

5x=22+20+3

5x=45          |:5

x=9

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48*(x+3)+22=46

48x+144+22=46

48x=46-144-22

48x=-120        |:48

x=-2,5

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4*(4*2)+4=52

4*8+4=52

32+4=52

36≠52    <- sprzeczność