-7x + 10 = –20 OR 10 = 7x - 20
Solve the equation using both approaches.
What is the solution?
Answer:
You can take this equation into two approaches.
#1 subtracting 4x from both sides:
-3x+10=4x-20 (subtract 4x from each side)
-7x+10=-20 (then subtract 10 from each side)
-7x=-30 (then divide by -7 to get x by itself)
x=30/7
#2 Add 3x to both sides:
-3x+10=4x-20 (Add 3x to both sides)
10=7x-20 (then add 20 to each side)
30=7x (divide both sides by 7)
30/7=x
Either way you do it you will get x=30/7 as your answer.
Hope this helps ;)
Answer:letter c x=30/7
Step-by-step explanation:
Answer:
x = -4 ±√23.
Step-by-step explanation:
x^2 + 8x = 7
(x + 4)^2 - 16 = 7
(x + 4)^2 = 23
x + 4 = ±√23
x = -4 ±√23.
Answer: The correct answer is C.
Step-by-step explanation:
⇒
⇒ which is also,
⇒ So, is a square root of 23.
⇒ Then, it could be positive or negative one:
So that's why the answer would be C.
* Mark me the Brainliest:)) Hope this helps:)
What is the value of t in this equation? (j^-12)^-5=jt
Answer:
t=j^59; jis not equal to 0
Step-by-step explanation:
use the pic, i hope it helps