myownghayes myownghayes

24-11-2021
Mathematics

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What is the value of x?

What is the value of x class=

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jimrgrant1 jimrgrant1

24-11-2021

Answer:

x = 7

Step-by-step explanation:

The right angle is composed of the 2 given angles, so sum to 90°

4x + 40 + 6x - 20 = 90

10x + 20 = 90 ( subtract 20 from both sides )

10x = 70 ( divide both sides by 10 )

x = 7

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