Rozwiąż równania:
*np. 1/4 --> jedna czwarta
a) 1/3x - 2 = x + 2
b) 1 - 6/7x = 4/7
c) 6(1/4x - 2) = 18
d) x/6 - 1/6 = 1
e) -2(2x - 1) = x/3
f) 2/5(3-x) = -2
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a) 1/3x - 2 = x + 2 /*3
x - 6 = 3x + 6 /-6 - x
-12 = 2x /2
-6 = x
b) 1 - 6/7x = 4/7 /-1
-6/7x = -3/7 /*-7/6
x = 2
c) 6(1/4x - 2) = 18
3/2x - 12 = 18 /+12
3/2x = 30 /*2/3
x = 20
d) x/6 - 1/6 = 1 /*6
x - 1 = 6 /+1
x = 7
e) -2(2x - 1) = x/3
-4x + 2 = x/3 /*3
-12x + 6 = x
6 = 13x
x = 6/13
f) 2/5(3-x) = -2
6/5 - 2/5x = -2 /*5
6 - 2x = -10
16 = 2x
x = 8
a) ⅓x-2=x+2
⅓-x=2+2
-⅔x=4/·3
-2x=12/:(-2)
x=6
b)
c) 6(¼x-2)=18
2½x-12=18
2½x=18+12
2½x=30/:2½
x=12
d)
e)
f)