Step-by-step explanation:
3q - 2 - q = -18
3q - q = -18 + 2
2q = -16
q = (-16)/2
q = -8 → Proved
Helen is currently is 8 years old.
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How to solve world problem ?</h3>
Endeavor to understand the question, analyze it and interpret it into equation.
Given that Helen's age is multiples of 4. Next year it'll be a multiple of 3. Helen's older brother is now 19.
This means Helen current age is multiple of 4 and next year it will be a multiple of 3. Also, Helen's age is less than 19
The two available numbers that fit this analysis and less than 19 are 8 and 9. 8 is multiple of 4. 8 + 1 = 9 which is multiple of 3
Therefore, Helen is 8 years old now
Learn more about Arithmetic here: brainly.com/question/6561461
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C because those are called absolute value bars. That means that 17 and -17 both have an absolute value (away from zero) of 17
Answer: i don't really know this but i think it´s (3,4)
Step-by-step explanation: