How do you solve 2x-5+x=172x5+x=17?

1 Answer
Nov 29, 2017

See a solution process below:

Explanation:

First, add color(red)(5)5 to each side of the equation to isolate the xx terms while keeping the equation balanced:

2x - 5 + color(red)(5) + x = 17 + color(red)(5)2x5+5+x=17+5

2x - 0 + x = 222x0+x=22

2x + x = 222x+x=22

Next, combine like terms on the left side of the equation:

2x + x = 222x+x=22

2x + 1x = 222x+1x=22

(2 + 1)x = 22(2+1)x=22

3x = 223x=22

Now, divide each side of the equation by color(red)(3)3 to solve for xx while keeping the equation balanced:

(3x)/color(red)(3) = 22/color(red)(3)3x3=223

(color(red)(cancel(color(black)(3)))x)/cancel(color(red)(3)) = 22/3

x = 22/3