Which equation has solution x = -3? a) 2x - 7 = -1 b) 3x + 8 = 1 c) 1 2 x + 8 = 10 d) 1 2 (2x - 6) = -6

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y