Use x = 2, y = 3,z=4.
Show the new problem after replacing each variable with the correct number,
under each problem, then solve the equation.
Matching:
1. x+7=
2. y+21=
3. 12 +z =
4. xy =
5. 2x+y=
6.22+x=
A. 12+4=16
B. 22+2 11
C. 2+7=9
D. 2(2) + 3 = 7
E. 3+21=24
F. (2)(3)=6