Помогите!!!! 96x-89x+397=600 5x*8=6400

Question

Помогите!!!!
96x-89x+397=600
5x*8=6400

Answer 1

96х-89х+397=600
7х=600-397
7х=203
х=203:7
х=29

5х*8=6400
5х=6400:8
5х=800
х=800:5
х=160