Question

Substitute x=-4 into the expression 5x-x+8

Answer 1

-8

Explanation:

5(-4)-(4)+8

-20+4+8

-20+12

-8

Answer 2

(-8)

Explanation:

Question :

5x - x + 8

First you can solve the equation simply like this.

5x - x + 8

4x + 8

Now they've given that,

x = (-4)

Now, you have to put -4 instead of x and solve the equation.

Let us solve now.

4 x + 8

4 × (-4) + 8

-16 + 8

(-8)

Hope this helps you :-)

Let me know if you have any other questions :-)