Question

x+61=59+18,x-13=28+36,100-x=24-8,36+x=64+7

Answer 1

100-x=24-8X+61=59+18
х+61=77
х=77-61
х=11


100-x=24-8
100-х=16
х=100-16
х=84


36+x=64+7
36+х=71
х=71-36
х=35