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28-05-2020
Mathematics

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what is the value of x? 9° 22° 10° 7°

what is the value of x 9 22 10 7 class=

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wegnerkolmp2741o wegnerkolmp2741o

28-05-2020

Answer:

x =7

Step-by-step explanation:

The sum of the angles is 90 degrees

4x+40 + 6x - 20 = 90

Combine like terms

10x +20 = 90

Subtract 20 from each side

10x +20 -20 = 90-20

10x = 70

Divide each side by 10

10x/10 = 70/10

x = 7

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