Question

Can you please help me!

Answer 1

x=20

Explanation:

3x - 10 + 5x + 30 = 180

8x + 20 = 180

8x = 160

x = 160/8

x = 20

check:

3(20) - 10 + 5(20) + 30 = 180

60 - 10 + 100 + 30 = 180

50 + 100 + 30 = 180

150 + 30 = 180

180 = 180 ✓