Question

(High points) please find x and explain

Answer 1

Answer:

x = 85

Step-by-step explanation:

180 - 145 = 35

35 + (x-25) + x = 180  All angles added together should equal to 180

solve for x with calculator:

x = 85

Answer 2

Answer:

$sum \: of \: one \: exterior \: angle \: is \: \\ \\ equal \: to \: two \: opposite \: angle \: \\ \\ x + (x - 25) = 145 \\ \\x + x - 25 = 145 \\ \\ 2x - 25 = 145 \\ \\ 2x = 145 - 25 \\ \\ 2x = 120 \\ \\ x = 120 \div2 \: \\ \\ x = 70$