Question

(19x -18)
(7x + 1)
(10x -9)
Solve for x

Answer 1

Answer:

x = 5

Step-by-step explanation:

You would solve this problem by setting up the formula as:

7x + 1 + 10x - 9 = 19x - 18

Combine like terms then solve using algebra

This will give you the answer x = 5

Hope this helps you!!

Answer 2

Applying the theorem of the exterior angle of a triangle, we can create an equation to solve for the value of x which is: x = 5

Based on the theorem of the exterior angle of a triangle, the following equation can be created:

19x - 18 = (7x + 1) + (10x - 9)

• Solve for x

19x - 18 = 7x + 1 + 10x - 9

• Add like terms together

19x - 18 = 17x - 8

19x - 17x = 18 - 8

2x = 10

• Divide both sides by 2

2x/2 = 10/2

x = 5

Therefore, applying the theorem of the exterior angle of a triangle, we can create an equation to solve for the value of x which is: x = 5

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