Answer:
<h3>
x = -3/5</h3>
Step-by-step explanation:
x/2 + 4/5 = 1/2
×2 ×2
x + 8/5 = 1
-8/5 -8/5
x = 5/5 - 8/5
x = -3/5
Answer:
The X=2 because X+X=2
Step-by-step explanation:
So,the answer is 2
Answer:
add 21 to both sides to get everything on one side
x^2 - 10x + 21 = 0
do factorization, guess and check
(x - 7) (x -3) = 0
x =7, and x =3
