方程“7.5+5x=10”的解是
[ ]
|
A.x=0.5 |
B.x=0.6 |
C.x=6 |
D.x=14 |
方程“7x-18=80”的解是
[ ]
|
A.x=0.5 |
B.x=0.6 |
C.x=6 |
D.x=14 |
方程“9.6-3x=7.8”的解是
[ ]
|
A.x=0.5 |
B.x=0.6 |
C.x=6 |
D.x=14 |