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dusya [7]
3 years ago
11

What is the value of x? Enter your answer in the box. x =

Mathematics
1 answer:
Ghella [55]3 years ago
8 0

Answer: x=12


Step-by-step explanation: Knowing that this is on a straight line, which is 180°, you can assume that both angles add up to 180°. You can turn this into an agebraic equation by saying that (10x-20)°+(6x+8)° = 180°. by simplifying, you get 16x-12 = 180. Adding 12 to both sides yields 16x = 192. To finish the equation, you divide both sides by 16; completing to x=12.


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The substitution method requires you to input a specified number in place of a variable. In this case, the variable 'x' should be replaced by the number 4. Using the order of operations, we know that multiplication should be applied before subtraction. When we replace 'x' with 4, we get the equation 'y=8(4)-4'. Multiplying 8 and 4 gives us 32. If we subtract 4 from 32, we get 28. The answer ends up being 'y=28'.

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I hope this helped you and that I clearly elaborated on the answer choice.

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