Question

How do you solve for x in `10 -2x +7x = 20`?

Answer 1

`x = 2`

Explanation:

Simplify first:

`5x + 10 = 20" "` Now subtract 10 from both sides

`5x +10color(blue)(-10) = 20color(blue)(-10)`

`5x = 10" "` divide both sides by 5

`x = 2`