Answer: x = 6
Step-by-step explanation:
We will use the exterior angle theorem to solve.
Given:
19x - 4 = 12x + 3 + 35
Subtract 12x from both sides and add 4 to both sides:
19x - 12x = 3 + 35 + 4
Combine like terms:
7x = 42
Divide both sides of the equation by 7:
x = 6