Multiple choice Find a root of the equation ( 1 − 3 x ) + ( 3 x + 7 ) = 2 ( x + 5 ) . 0 1 -1 − 1 Reveal answer Fill a bubble to check yourself C Correct answer AI explanation AI 1 Simplify the equation to get 8 = 2x + 10. Solving this gives 2x = -2, so x = -1. The root is -1. Thanks Wrong explanation