Question

3 i 1/2x=4

2 i 1/3x=5

6 i 1/2x=15

i

z+17/100x=50

x+45/100x=95

x+115/100=65

x+75/100=115

Z góry dziękuję

Answer 1

3+1/2x=4 /*2 6+2x=8 /-6 2x=2 x=1 2+1/3x=5/*3 6+x=15/-6 x=9 6+1/2x=15 /*2 12+x=30 /-12 x=18 z+17/100x=50 .