Question

If f(x)=-2x+6; find the value of x when f (x)=4

Answer 1

x = 1

Explanation:

f(x) = -2x + 6

4 = -2x + 6 Subtract 6 from both sides

4 - 6 = -2x + 6 - 6

-2 = -2x Divide both sides by -2

`(-2)/(-2)` =
`(-2x)/(2)`

1 = x