Question

sabendo que 4+k/2+1+k/8+1/4+k/32=9 qual e o valor de k

Answer 1

4+k/2+1+k/8+1/4+k/32=9
MMC(2,8,32,4)=

2,8,32,4|2
1,4,16,2|2
1,2,8,1 |2
1,1,4,1 |2
1,1,2,1|2
1,1,1,1
MMC= 32

128+16k+32+4k+8+k=288
16k+4k+k+128+32+8=288
21k+160+8=288
21k= 288-168
21k= 120
k= 120/21= 40/7