a) 3x-7=-15+5x
b) 2x+5=11
c)3(3x+2)+(x+2)=x
Rożwiąż równania dam naj odp.
8=2x
x=4
2x=6
x=3
9x+6+x+2=x
10x-x=-8
9x=-8
x=-8/9
-2x=-8/:(-2)
2x=6/:2
9x=-8/:9
licze na naj ;d
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a) 3x-7=-15+5x
8=2x
x=4
b) 2x+5=11
2x=6
x=3
c)3(3x+2)+(x+2)=x
9x+6+x+2=x
10x-x=-8
9x=-8
x=-8/9
a) 3x-7=-15+5x
-2x=-8/:(-2)
x=4
b) 2x+5=11
2x=6/:2
x=3
c)3(3x+2)+(x+2)=x
9x+6+x+2=x
9x=-8/:9
x=-8/9
licze na naj ;d