Find the non-extraneous solutions of square root (x+9) -5= x+4
x = −2
x = −9 and x = −2
x = 9
x = −9 and x = −8

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

In what organelle does photosynthesis take place?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10