Which of the following has infinitely many solutions? A)5x−10=x+20

B)2(6+x)=14+2x

C)10x+5=3(5x+7)

D)2(4+x)=8+2x

the answer is $42.96

step-by-step explanation:

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)