3x + 4 = 2x + 2
3x - 2x = 2 - 4
x = -2
one solution
Answer:
4 square root 5 is the answer
root(20*4)
2 × root(5×4)
4×root(5)
2 tenths can also be written as 0.2. Now let's look at each answer.
2 hundredths is 0.02
200 hundredths is 2.00
20 hundredths is 0.20
Aha! That is the same as two tenths. So the answer is the third option, 20 hundredths.