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Solve this System of equation 3c+6d=18 6c-2d=22

Solve this System of equation 3c+6d=18 6c-2d=22
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1 vote
Solve this System of equation 3c+6d=18 6c-2d=22

User INNVTV
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1 Answer

6 votes

Answer:


3x + 6y = 18 \: \: \: \\ + \\ 3 * (6x - 2y = 22) \: \: \: 18x - 6y = 66 \\ \\ 21x = 84 \\ x = (84)/(21) = 4

c=x=4

d=(18-3×4)÷6=6÷6=1=y

User Schlenger
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