rowiąż równania ;
1.11=x+2(x1)
2.10x-4+1+1=28
11=x+2(x1)
11=x+2x
x+2x=11
3x=11/:3
x=\frac{11}{3}
10x-4+1+1=28
10x-2=28
10x=28+2
10x=30/:10
x=3
1.
11=3x /:3
3,6=x
2.
10x=28+4-1-1
10x=30 /:10
;))
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11=x+2(x1)
11=x+2x
x+2x=11
3x=11/:3
x=\frac{11}{3}
10x-4+1+1=28
10x-2=28
10x=28+2
10x=30/:10
x=3
1.
11=x+2(x1)
11=x+2x
11=3x /:3
3,6=x
2.
10x-4+1+1=28
10x=28+4-1-1
10x=30 /:10
x=3
;))