The answer is D because I took the test
4x-20+=-4
-4 -4
x-20=-8
+20 +20
x=12.
Answer: X = t or minus 4 square root 3 and X= 4 square root 3 Explanation: add 48 on both sides bring down x squared = 48 take the square root on both sides you get X= t or - 4 square root 3 and X=4 square root 3) Animex yw
5x - 2x = 63 + 57
3x = 120
x = 40
2.8 I got that same on on khan academy it’s 2.8 trust me