Question

How do you solve `0.2( 2x + \frac { 1} { 2} ) = 510.5+ ( - 2) 1`?

Answer 1

`x=1271`

Explanation:

`0.2(2x+1/2)=510.5+(-2)1`

Expand the brackets
`0.4x+0.1=510.5-2`

Make `0.4x` your subject
`0.4x=510.5-2-0.1`

Simplify
`0.4x=508.4`

Divide both sides by `0.4`
`x=1271`