∠1 and angle, 2∠2 are supplementary angles. If m, angle, 1, equals, left bracket, 4, x, minus, 16, right bracket, degreesm∠1=(4x−16)
∘
and m, angle, 2, equals, left bracket, x, plus, 1, right bracket, degrees m∠2=(x+1)
∘
, then find the measure of angle, 2∠2.