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What is the value of x ?
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What is the value of x ?

What is the value of x ?-example-1
User Sniver
by
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1 Answer

2 votes

Answer:

21=x

Explanation:

Those angles will add up to 180.

So make your equation 180=3x-3+5x+15

Add like terms, so 3x+5x=8x and -3+15=12

Now you have 180=8x+12

Subtract 12 from both sides, leaving you with 168=8x

Divide by 8 on both sides.

21=x

User MattSayar
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