Question

(2x-20)+(x+65)=180 ​

Answer 1

Answer:

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Answer 2

(2x-20)+(x+65)= 180

» 2x-20+x+65= 180

» 3x+65-20=180

» 3x + 45= 180

» 3x = 180-45

» 3x = 135

» x = 135/3

» x = 45 it is your answer