Question

If f(x)=-2x+5, find x so f(x)=3

Answer 1

x=1

Explanation:

3= -2x+5

-5. -5

-2= -2x

/-2. /-2

1=x

hopes this helps

Answer 2

f(x)=-2x+5

f(x)=3

then,

f(x)=-2x+5

or, 3=-2x+5

or, 2x=5-3

or,2x=2

or, x=2÷2

x=1

so, the value of x is 1