Question

How do you solve `4-(-h)=68`?

Answer 1

`h = 64`

Explanation:

`- (-h) = h`

`h = 68 - 4`

`h = 64`

Answer 2

`h=64`

Explanation:

`4-(-h)=68`

subtracting a negative quantity is `color(blue)"equivalent to adding the quantity"`

`rArr4+h=68`

To solve for h, subtract 4 from both sides of the equation.

`cancel(4)cancel(-4)+h=68-4`

`rArrh=64" is the solution"`