Answer:
B
Step-by-step explanation:
3(2+x)
distribute
=6+3x
It would be 79.4, if you follow complete it in the correct order. (mathematically)
Answer:
Step-by-step explanation:
-10+sqrt2x+1 = -5
sqrt2x+1 = -5+10
sqrt2x+1 = 5
2x+1 = sqrt5
2x = sqrt5-1
x = (sqrt5-1)/2