Rozwiąż równania 4(x+1)+2x+3=4x+15 B) 4x+2=3x+4
Po obu stronach skreślasz 4x
b)
Dodaj do obu stron (-3x)
4(x+1)+2x+3=4x+15
4x+4 +2x+3=4x+15
4x+2x-4x=15-3-4
2x=8/2
x=4
4x+2=3x+4
4x-3x=4-2
x=2
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Po obu stronach skreślasz 4x
b)
Dodaj do obu stron (-3x)
4(x+1)+2x+3=4x+15
4x+4 +2x+3=4x+15
4x+2x-4x=15-3-4
2x=8/2
x=4
4x+2=3x+4
4x-3x=4-2
x=2