X=9 how to solve: 72+48=8x+48
72=8x 8*9=72
Answer:
Answers in decimal form:
2.848 , -16.848
Answers in radical form:
-7 + sqrt(97) , -7 - sqrt(97)
Answer:
x = -4 ; y = 1
Step-by-step explanation:
2x + 6y = -2 --------(i)
-x + 2y = 6 --------(ii)
2x + 6y = -2
(ii)*2 <u> -2x + 4y = 12</u>
add; 10y = 10
y = 10/10
y = 1
Substitute y in (i)
2x + 6*1 = -2
2x +6= -2
2x = -2-6
2x = -8
x = -8/2
x = -4
JK,KL and LJ are all to O.JA =14, AL=15, and CK=13. Find the perimeter of triangle JKL.? The answer is D. 84