Answer:
Step-by-step explanation:
Subtract 7y7y from both sides.
-4x=18-7y−4x=18−7y
2 Divide both sides by -4−4.
x=-\frac{18-7y}{4}x=−
4
18−7y
how many four digit natural numbers can be formed using the digits 1,2,3,4 if repitition is not allowed
2 answers:
You might be interested in