Answer:
Sometimes true
Step-by-step explanation:
There is only one x value that satisfies the equation.
4x + 1 = 3
4x = 2
x = 1/2
Answer: x/2+5 years old
Step-by-step explanation:
His sister would be x/2+5 years old. x/2 is his sisters age right now, and +5 is years later!
Answer:
112560
Step-by-step explanation:

<u>Answer</u><u>:</u>
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Answer:
-3
Step-by-step explanation:
1.5x + 1.3x = -8.4
2.8x = -8.4
x=-3