rozwiąż równania:
a)2(x+3)=10
b)3(x-1)+2=8
a) 2x + 6 = 10
2x = 10 - 6
2x = 4
x = 2
b) 3x - 3 + 2 = 8
3x -1 = 8
3x = 8 + 1
3x = 9
x = 3
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a) 2x + 6 = 10
2x = 10 - 6
2x = 4
x = 2
b) 3x - 3 + 2 = 8
3x -1 = 8
3x = 8 + 1
3x = 9
x = 3
2x=10-6
2x=4
x=4:2
x=2
b)3x-3+2=8
3x=8+3-2
3x=9
x=9:3
x=3