The perimeter of the equilateral triangle represented the expression 21x + 15. The perimeter is 78 units. Find the value of x an
d the length of each side.
1 answer:
Answer: x=42
Step-by-step explanation:
side1=15
side2=21
side3=42
I think my answer will be helpfull
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Step-by-step explanation:
divide them by using long polynomial division.
d
The awenser to the question on your paper is b
I think 6 but how r u supposed to know how many marbles you started with