Question

Solve each equation for xx. For each step, describe the operation used to convert the equation. How do you know that the initial equation and the final equation have the same solution set?
a. 1/5[10−5(x−2)]=1/10(x+1)
b. x(5+x)=x²+3x+1
c. 2x(x²−2)+7x=9x+2x³

Answer 1

Answer:

a. x=1.8?

Step-by-step explanation:

im not really sure but i need help also. Im sorry but i just thought to say something.