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Sagot :
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:
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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