Question

(x+10)(3x+10) they are linear pair

Answer 1

Answer:

x = 40

Step-by-step explanation:

(x+10)(3x+10) they are linear pair

means adds up and equates to 180

x + 10 + 3x + 10 = 180

4x + 20 = 180

x = 160 / 4

x = 40