Answer:
x = 42
Step-by-step explanation:
y = x/7 + 15 ; y = 21
21 = x/7 + 15
21 - 15 = x/7
6 = x/7
x = 6 × 7
x = 42
Thus, The answer is 42
<u>-TheUnknownScientist</u>
Answer:
1.) ???
2.) (2x+3y)(2x-3y)=4x²-9y²
Answer:
18 ft^2
Step-by-step explanation:
4 x 4 = 16
4 x 1 = 4
4 / 2 = 2
16 + 2 = 18 ft.^2
Answer:
The third answer that is C is correct
Answer:
-4
Step-by-step explanation:
you would take your 2x and subtract it from the 4x to get 2x = -8. after that you just divde both sides by 2 to get x=-4
