musathaider musathaider

15-01-2021
Mathematics

contestada

solve for c
c+d=15
3c+2d=36
WILL MARK BRAINLIEST AND MANY POINTS PLS ANSWER

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Daciana Daciana

15-01-2021

c is 6 & d is 9

6+9=15
3(6)+2(9)=36
18 + 18 = 37

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Rayana322 Rayana322

15-01-2021

C = 6

c = 15 - d ( get c by itself first)

3(15 - d) + 2d = 36 (replace c with 15 + d)
45 - 3d + 2d = 36 (distribute)
45 - d = 36 (combine like terms)
-d = -9
d = 9

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