Question

How do you solve for x: `2x-3=5x+12`?

Answer 1

`x=-5`

Explanation:

`2x-3=5x+12`

`:.2x-5x=12+3`

`:.color(red)-3x=15`

`:.x=color(red)-15/3`

`:.color(red)(x=-5`

substitute `color(red)(x=-5`

`:.2(color(red)(-5))-3=5(color(red)(-5))+12`

`:.-10-3=-25+12`

`:.color(red)(-13=-13`