Explanation:
DE = 13
2 + 2x - 3 = 13
2x - 1 = 13
2x = 12
x = 12/2
x = 6
Answer:
5).
According to the question,
CD+DE=CE
2+13=2x-3
15=2x-3
15+3=2x
18=2x
18/2=x
8=x
6).
AB+BC=AC
5x-16+3x-6=2x+20
8x-22=2x+20
8x-2x=20+22
6x=44
x=44/6
x=7.33
......
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