Respuesta :

KurdishPotato

Answer:

x = 20

Step-by-step explanation:

angle m<3 + angle m<5 = 180° because these angles are supplementary

5x + 10 + 3x + 10 = 180° add like terms

8x + 20 = 180

8x = 160 divide both sides by 8

x = 20

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