Question

You have to find x.

Please help me!!

Answer 1

Answer:

x = 5

Step-by-step explanation:

the Equation could be:

m L ABC + m L BAC = m L C (the outer angle)

4x-3 + 3x+8 = 5x+15

7x+5 = 5x+15

7x-5x = 15-5

2x = 10

x = 5

Answer 2

Recall

Sum of two interiors=exterior

• 4x-3+3x+8=5x+15
• 7x+5=5x+15
• 7x-5x=15-5
• 2x=10
• x=5