Cube root 4x-3y=-2 4x-3y=-8

system of equations

①x+2y=9

②4x-3y=-8

By the formula (1)

x=9-2y③

Substitute ③ into ② to get.

36-8y-3y=-8

- 1 1y=-44

y= 1

Substitute y= 1 into ③.

x=9-2 x=7

That is, x+y=8.

2. Root number 0.02≈0. 14 Root number 44≈6.63

3. Root number (x- 1)+ root number (1-x), so

x- 1≥0 1-x≥0

x= 1

y=0

1^20 10+20 10^0= 1+ 1=2

4.(a+2)+ radical sign (b-3)+│ C-20 18 squared │ = 0, then

a=-2 b=3 c=20 18

-2^3+20 18=-8+20 18=20 10

5. Positive and negative radical symbol A 2+3

You can ask if you don't know.