5(x-3)=x+1
5x+(-15)=x+1
5x-x=1-(-15)
4x=1+15
4x=16 /:4
x=4
Liczę na naj!
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5(x-3)=x+1
5x+(-15)=x+1
5x-x=1-(-15)
4x=1+15
4x=16 /:4
x=4
Liczę na naj!