Rozwiaz równania
3(x-1)=60
x+500=2x
2x+4x=90
3x-3=60
3x=60+3
3x=63 /:3
x=21
x-2x=-500
-x=-500 /:(-1)
x=500
6x=90 /:6
x=15
3x=63/:3
500=2x-x
6x=90/:6
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3(x-1)=60
3x-3=60
3x=60+3
3x=63 /:3
x=21
x+500=2x
x-2x=-500
-x=-500 /:(-1)
x=500
2x+4x=90
6x=90 /:6
x=15
3(x-1)=60
3x-3=60
3x=60+3
3x=63/:3
x=21
x+500=2x
500=2x-x
x=500
2x+4x=90
6x=90/:6
x=15