Answer:
x=2
Step-by-step explanation:
3x+4=10
subtract four on both sides, you will get 3x=6, divide by three on both sides, x=2
4√5
√80 = √16 times √5
√16 = 4
4 times √5
x=85
Hope this helps you :))
(Hope it doesn't get reported becuase it "doesn't have an explanation of how it's right") Have a blessed day ^-^