∠3 and ∠4 are supplementary. if the measurement of ∠3 is 2x+8 and the measurement of ∠4 is 6x+12, what is the measurement of ∠4?

3 and 4 are supplementary if the measurement of 3 is 2x8 and the measurement of 4 is 6x12 what is the measurement of 4 class=