MATHEMATICS MIDDLE SCHOOL

Find the value of x.
A) 21
B) 27
C) 31
D) 34
Find the value of x. A) 21 B) 27 C) - 1

Answers

Answer 1
Answer:

Answer: A) 21

Step-by-step explanation:

From the given figure, we can see that angles 64^(\circ) and (3x+1)^(\circ) are vertically opposite angles.

Since, vertically opposite angles are equal, therefore we have

64^(\circ)=(3x+1)^(\circ)\n\n\Rightarrow64=3x+1\n\n\text{Subtract 1 on both sides, we get}\n\n\Rightarrow3x=63\n\n\text{Divide 3 on both sides, we get}\n\n\Rightarrow x=21

Hence, the value of x = 21.
Answer 2
Answer: The answer is a, 21. 21x3 is 63. 63 + 1 = 64.

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