marisol84
19.10.2020 •
Mathematics
given the parallel lines cut by. a transversal , determine the value of x . please help due in 30 minutes
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Ответ:
x = 20
Step-by-step explanation:
The angles are same side interior angles so the add to 180
3x-10 + 5x+30 = 180
Combine like terms
8x +20 =180
Subtract 20 from each side
8x+20 -20 =180-20
8x = 160
Divide by 8
8x/8 =160/8
x = 20
Ответ: