Prosze rozwiozcie mi jeszcze dziś takie zadanie 7x-2=3x+6 5x+3=2x+12 5x-2=4x+5 7x+3=4x-12 2(x+3)=10 3(x-1)+2=8 4(x-2)-x=x+1 dam 50 pkt z gury dziekuje
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7x-2=3x+6
7x-3x=6+2
4x=8
x=2
5x+3=2x+12
5x-2x=12-3
3x=9
x=3
7x+3=4x-12
7x-4x=-12-3
3x=-15
x=-5
2(x+3)=10
2x+6=10
2x=6-10
2x=4
x=2
3(x-1)+2=8
3x-3+2=8
3x=-3+2-8
3x=-9
x=-3
4(x-2)-x=x+1
4x-8-x=x+1
4x-x-x=1+8
2x=9
x=4,5
Tyle ;d Liczę na naj.