Question

Solve r

2r + 9 = 7 - 3r

Answer 1

Hope this helps :).

Answer 2

2r + 9 = 7 - 3r

Subtract 9 from each side:

2r = -2 - 3r

Add 3r to each side:

5r = -2

Divide both sides by 5:

r - -2/5