Question

Which value of x makes 4x+5=21

Answer 1

x=4

Explanation:

1 )Subtract 5 from both sides.

4x = 21 − 5

2 )Simplify 21 − 5 to 16.

4x= 16

3 )Divide both sides by 4.

x=
`(16)/(4)`

4 )Simplify
`(16)/(4)`to 4.

x=4