X=10
12x-1=12+10x+7
2x=20
X=10
Step-by-step explanation:
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Answer:
D. 3 1/2
Step-by-step explanation:
Sum means addition (+)
Sum of a number, x and 1/2=4
This means the addition of the two numbers
x+1/2=4
Make x the subject of formula
x=4-1/2
Finding the L.C.M
= 8-1/2
x=7/2
x=3 1/2
The answer is down below following the order 6~9
6. A
7. C
8.C
9. D
Answer:
x=6
Step-by-step explanation:
