Answer:
x = 19
Explanation:
A straight line is 180°, so the addition of these two expressions would be 180
4x - 4 + 6x - 6 = 180 Combine the like terms
10x - 10 = 180 add 10 to both sides
10x - 10 + 10 = 180 + 10
10x = 190 Divide both sides by 10
x = 19
Helping in the name of Jesus.