Question

Afla valoare lui a din relatiile: a)2130+a+154=7584; b)3154+a-4125=5213; c)5134-a+189=2300; d)a-134-2780=2000; e)7135-5400+a=6003; f)8512+1250-a=4123

Answer 1

a) 2130+a+154=7584

a=7584-2130-154=5300

b) 3154+a-4125=5213

a=5213+4125-3154=6184

c) 5134-a+189=2300

a=5134+189-2300=3023

d) a-134-2780=2000

a=2000+2780+134=4914

e) 7135-5400+a=6003

a=6003-7135+5400=4268

f) 8512+1250-a=4123

a=8512+1250-4123=5639