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Answer :

Answer:the example equation becomes "x + 10 - 15x = 20," which is then "-14 x + 10 = 20." Subtract 10 from each side, divide by 14 and you have end up with x = -10/14, which simplifies to x = -5/7. Plug in the x value in to the first equation to find out the y value.

Step-by-step explanation:

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Answer:

x=9

y=14

Step-by-step explanation:

Your picture shows that the two angles are congruent so:

2[(2x+27)]=90

4x+54=90

4x=36

x=9

Your picture shows the two horizontal lines as congruent also so:

4y-19=y+23

4y-19+19=y-y+23+19

3y=42

y=14

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