Question

F(x)=-9x- 2 find f(7)

Answer 1

x= -1/5

Explanation:

1

Add 9x9x to both sides.

x+9x=-2x+9x=−2

2

Simplify x+9xx+9x to 10x10x.

10x=-210x=−2

3

Divide both sides by 1010.

x=-\frac{2}{10}x=−102

4

Simplify \frac{2}{10}102 to \frac{1}{5}51.

x=-\frac{1}{5}x=−51