Question

请解下列方程

Answer 1

x-45=37

x-45+45=37+45

x=82

1.8×x=7.2

1.8×x÷1.8=7.2÷1.8

x=4

x+38=38

x+38-38=38-38

x=0

x-0.7=6.3

x-0.7+0.7=6.3+0.7

x=7

70-x=51

x=70-51

x=19

x+78=100

x+78-78=100-78

x=22

52+x=200

52+x-52=200-52

x=148

x+5.9=842

x+5.9-5.9=841-5.9

x=835.1

x-35=12

x-35+35=12+35

x=47

x-48=48

x-48+48=48+48

x=96

x-4.8=0

x-4.8+4.8=4.8

x=4.8

x+4.8=4.8

x+4.8-4.8=4.8-4.8

x=0

Answer 2

答案分别是：8.2 2.51 12.96 0 7 19 47 22 148 9.6 4.8 0

Answer 3