Question

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

Answer 1

Х+61=59+18
х+61=77
х=77-61
х=16

х-13=28+36
х-13=64
х=64+13
х=77

100-х=24-8
100-х=16
х=100-16
х=84

36+х=64+7
36+х=71
х=71-36
х=35