khaledkharboush khaledkharboush

27-06-2019
Mathematics

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BRAINLIEST Help please I need this fast

BRAINLIEST Help please I need this fast class=

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wegnerkolmp2741o wegnerkolmp2741o

28-06-2019

Answer:

x=20

Step-by-step explanation:

Since this is a right angle, it is equal to 90 degrees

x + 3x+10 = 90

Combine like terms

4x+10 = 90

Subtract 10 from each side

4x+10-10 =90-10

4x=80

Divide by 4

4x/4=80/4

x = 20

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