Question

How do you solve `y- 5.8= 2.9`?

Answer 1

`y=8.7`

Explanation:

Given:`" "color(green)(y-5.8=2.9)`

Add `color(red)(5.8)` to both sides

`color(green)(y-5.8color(red)(+5.8)" "=" "2.9color(red)(+5.8))`

But `-5.8+5.8=0` giving:

`y+0=2.9+5.8`

`y= 8.7`