64-х=91/7 Х+49=4528*4 55+Х=4352-2398 Х-85=350+150

Question

64-х=91/7
Х+49=4528*4
55+Х=4352-2398
Х-85=350+150

Answer 1

64-х=91/7
64-х=13
х=64-13
х=51

Х+49=4528*4
Х+49=18112
Х=18112-49
Х=18063

55+Х=4352-2398
55+Х=1954
Х=1954-55
Х=1899

Х-85=350+150
Х-85=500
Х=500+85
Х=585