elpifas15 elpifas15

26-03-2020
Mathematics

contestada

Find the value of x.(5x+3) (4x-21)

Find the value of x5x3 4x21 class=

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bappyisc bappyisc

26-03-2020

Answer:

x = 22

Step-by-step explanation:

The angles sum to 180 degrees

So, 5x + 3 + 4x - 21 = 180

=> 9x = 198

=> x = 22

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lakiprincess lakiprincess

26-03-2020

here is the work, i hope this helps!

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