Question

How do you solve `7(3r – 19) = 8r – 29`?

Answer 1

`color(green)(r=8`

Explanation:

`7(3r-19) = 8r-29`

`21r-133 = 8r-29`

`21r- 8r= 133-29`

`13r=104`

`color(green)(r=8`