Question

235+157-85=375+x-207,b)1243-755=71+x-375,c)483+4375-x=270+3427-197.va rog frumos sa ma ajutati.

Answer 1

a) 235+157-85-375=x
492-460=x
32=x

b)1243-455-71+375=x
1618-526=x
1092=x

c)483+4375-270-3427+197=x
4858-3697+197=x
1161+197=x
1358=x

Answer 2

235+157-85=375+x-207
a)
392-85=375+x-207
307=375+x-207
375+x=307+207
375+x=514
x=514-375
x=139
b)
1243-755=71+x-375
488=71+x-375
71+x=488+375
71+x=863
x=863-71
x=792
c)
483+4375-x=270+3427-197
4858-x=3500
x=4858-3500
x=1358