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I need help with number 2 :(
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1 vote
I need help with number 2 :(

I need help with number 2 :(-example-1
User Fyhuang
by
7.6k points

1 Answer

4 votes

x + 12 + 19x + 8 = 180

x + 19x = 20x (combining like terms)

12 + 8 = 20 (combining like terms)

20x + 20 = 180

180 - 20 (subtracting 20 to both sides)

20x = 160

160 / 20 = 8 (dividing by 8 on both sides)

x = 8

CDA = x + 12

CDA = 8 + 12

CDA = 20

User Rmflight
by
8.3k points
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