Question

a+4200=9000
7660-a=4782
X•100=88900
b-3705=5000
497+c=5300
X:100=7560
C-98=1300
147+b=5007
90000:x=3

Answer 1

a=9000-4200=4800
a=7660-4782=2878
x=88900:100=889
b=5000+3705=8705
с=5300-497=4803
х=7560*100=756000
с=1300+98=1398
b=5007-147=4860
x=90000:3=30000

Answer 2

Я-не-по-нел