Three times a number minus ten is equal to the sum of twice the same number and five. The given equation represents the situation. 3 x minus 10 is equal to 2 x plus 5 What is the value of x ?
Answer
A
15
B
negative 5
C
negative 1
D
3
Explanation
Start with 3x − 10 = 2x + 5. Subtract 2x from both sides to get x − 10 = 5, then add 10 to both sides: x = 15. So the correct choice is 15.
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