Answer:
65a
Step-by-step explanation:
21a*3-14a/(-7)=
63a-(14*a over negative seven)=
hope this helps! i cant write fractions, so i wrote it in words fyi
x^2 = 5 - x
x^2 + x - 5 = 0
-1 +/-
x = (1 + √21) / 2
x = (1 - √21) / 2
If the x is a multiplying sign then the answer is 6, but
if the x is the letter x then it will be x=4
