Set 7x-4 and 31 equal to each other
7X-4=31
Add four to both sides
7X=27
X=3
The answer is D
Answer:
thanks for the points here u go
Step-by-step explanation:
Answer:
25. 0.0036 26. 1/64
Step-by-step explanation:
Answer:
49
Step-by-step explanation:
Positive 49 not -49