Zad.1
a) x+3/2 - ( 1-x )= 3,5
b) x/2 + 1/3 = 7/6
w przykładzie a) w liczniku ma być x + 3, a w mianowniku 2
x+1.5-1+x=3.5
2x+0.5=3.5
2x=3.5-0.5
2x=3/2
x=3/2
b) x/2 + 1/3 = 7/6/*2
x+2/3=14/6
2x/2=14/6-2/3
x=14/6-4/6
x=10/6
x=1 4/6
x=1 2/3
x+3
---- -1+x=3,5 / *2
2
2*x+2*3+2*(-1)+2*x=2*3,52x+6-2+2x=74x=7-6+24x=3 /:4x= 3/4
x/2+1/3=7/6 /*63*x+2*1/3=6*7/63x+2/3=73x=7-2/33x=19/3 /*1/3x=19/9x=2,(1)
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a) x+3/2 - ( 1-x )= 3,5
x+1.5-1+x=3.5
2x+0.5=3.5
2x=3.5-0.5
2x=3/2
x=3/2
b) x/2 + 1/3 = 7/6/*2
x+2/3=14/6
2x/2=14/6-2/3
x=14/6-4/6
x=10/6
x=1 4/6
x=1 2/3
x+3
---- -1+x=3,5 / *2
2
2*x+2*3+2*(-1)+2*x=2*3,5
2x+6-2+2x=7
4x=7-6+2
4x=3 /:4
x= 3/4
x/2+1/3=7/6 /*6
3*x+2*1/3=6*7/6
3x+2/3=7
3x=7-2/3
3x=19/3 /*1/3
x=19/9
x=2,(1)