If D = Z + 6 and C = -2 + Z - Z^2, find an expression that equals 3D + C in standard form
1 answer:
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Answer:
Option C is correct.
The answer for the given expression is 0.
Step-by-step explanation:
Given the statement: Two times the difference of one-third of a number and three. and also variable given is 9.
Let x be the variable or number.
"One-third of a number" means
Also, "difference of one third of a number and three " means
Now, "Two times the difference of one-third of a number and three" means
Then, the expression for the given statement :
Substitute the value of x =9 in above expression we have;
=
=
= 0
therefore, the answer for the given expression is, 0