The value of x is 1 .(C)
Step-by-step explanation:
Three or more points lying on a straight line are said to be collinear
In this question, B is the point between A and C. This means;
AB+BC=AC where;
AB=10x+1
BC=5x+1
AC=17
10x+1 + 5x+1 =17
15x+2=17
15x=17-2
15x=15
x=15/15 =1
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Collinear points : https://brainly.com/question/1593959
Keywords: collinear, points
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