Question

Solve for x in 20=2x+2.5x.

Please show your work :)

Answer 1

Equation
20=2x+2.5x

1) Simplify 20=2x+2.5x

2) Move the variable x to one side
⇒ 20=(2x+2.5x)

3) Simplify 2x+2.5x to 4.5x
⇒ 20=4.5x

4) Simplify
4.5x=20

5) Divide each side by 4.5.

`(4.5x)/(4.5)` =
`(20)/(4.5)`


Answer
x=4.444444