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Necesito ayuda Urgentemente

Necesito Ayuda Urgentemente class=

Sagot :

Answer:

x = 100°  ||  y = 20°

Step-by-step explanation:

Two pairs of parallel lines visible.

Create equations 1 and 2:

x - 2y = 60°

x + y = 120°

Make the x subject:

x - 2y = 60°

x = 60° + 2y ........equation 1

x + y = 120°

x = 120° - y ........equation 2

Solve them simultaneously:

120° - y = 60° + 2y

2y + y = 120°- 60°

3y = 60°

y = 20°

If y is 20° then the x is:

x = 120° - y

x = 120° - 20°

x = 100°