Rozwiąż : a) 1/3 x - 2/3 = 5 b) 2x + 2 = 5 + x
a) ⅓x - ⅔ = 5
⅓x = 5⅔
⅓x = ¹⁷/₃
x = 17
b) 2x + 2 = 5 + x
x = 3
1/3x-2/3=5
1/3x=5+2/3
1/3x=5i2/3 :1/3
x=17
2x+2=5+x
2x-x=5-2
x=3
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a) ⅓x - ⅔ = 5
⅓x = 5⅔
⅓x = ¹⁷/₃
x = 17
b) 2x + 2 = 5 + x
x = 3
1/3x-2/3=5
1/3x=5+2/3
1/3x=5i2/3 :1/3
x=17
2x+2=5+x
2x-x=5-2
x=3