Respuesta :

KurdishPotato

Answer:

x = 31.4

Step-by-step explanation:

Given m||n, then the angles' sum must be equal to 180 because they are supplementary

x + 14 + 4x + 9 = 180 add like terms

5x + 23 = 180 subtract 23 from both sides

5x = 157 divide both sides by 5

x = 31.4

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