Elga's age = x
Alvin's age = x + 7
x + x + 7 = 97.
Simplify the left side of the equation
2x + 7 = 97.
Subtract 7 from each side
2x = 90.
Divide each side by 2
x = 45
Since x is equal to Elga's age, Elga is 45 years old
Answer:
(-2,4) , (0,5) , (2,6) , (4,7)
Step-by-step explanation:
you just substitute every value of x in the equation and you get y
The answer is 246 units²
<span>Surface area= 2(lw + lh + wh)</span>
Answer:
the answer is 11.5
Step-by-step explanation:
2x-9=14
2x = 23
x = 11.5
