Question

(48+Х)+35=100
64-Х*2=48

Answer 1

48+x=100-35
48+x=65
x=65-48
x=17




-2x=48-64
-2x=-16
x=8

Answer 2

(48+Х)+35=100
48+Х=100-35
48+Х=65
Х=65-48
Х=17

64-Х×2=48
2Х=64-48
2Х=16
Х=16÷2
Х=8