8x^2 = 5
x^2 = 5/8
x = sqrt(5/8)
x = sqrt(40)/8
x = 4(sqrt 10)/8
x = + sqrt 10/2
answer is b
Step-by-step explanation:
the answer is b.)
< 1=< 2
-2x + 7 = 7
subtract 7 from both sides.
-2x = 0
divide both sides by -2.
x = 0