w/7 + 2 = 1
<em><u>Subtract 2 from both sides.</u></em>
w/7 = -1
<em><u>Multiply both sides by 7.</u></em>
w = -7
The value of w is equal to -7
Answer:
(-1, 9) (he x value is placed first).
Step-by-step explanation:
y = -3x + 6
y = 9
Substitute y = 9 into the first equation:
9 = -3(x) + 6
-3x = 9 - 6
-3x = 3
x = -1.
Answer:
D. 
Step-by-step explanation:
A square root can't be evaluated if the number we want to find the square of is nagative.
The grandson is 9 years old.
This would mean that the grandpa is 54.
9x6=54
54/6=9