Question

Afla termenul necunoscut 1) 306:X+29=131

2) 23+(X×6+18):6=28

3) 134-5×(48:X+14=34

4) 127-(X×5+135):5=100 va rogg am nevoie urgent

Answer 1

1) 306:x+29=131
306:x=131-29
306:x=102<=>306/x=102/1
306×1=102×x
306=102x
306:102=x=> 3=x
p: 306:3+29=131
102+29=131
131=131
Ai rezolvare si in foto!