The second volume of the first day of junior high school, the special training of mathematics synchronization course 4.3 Solving binary linear equations (2) Answers ~ I don't know right or wrong after
The second volume of the first day of junior high school, the special training of mathematics synchronization course 4.3 Solving binary linear equations (2) Answers ~ I don't know right or wrong after writing, I need answers ~
5X-2
3X-2(5X-2)=-3
Addition and subtraction of the same reciprocal
2 x=4 y= 1
c A
x=-2 y=-7
a= 1 b=3\ 1
x= 1 y=4
x=2
x= 1 y=2\3
m= 1 n= 1
x=- 1 y=2
a=7\4
m= 1 n= 1