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Roselyn Clarke
Mathematics
8 August, 23:25
Solve the system using elimination
2x+3y=14
x+5y=14
+2
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2
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Brennan Frey
8 August, 23:36
0
NVM my answer was wrong so i edited it
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Goon
8 August, 23:42
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x = 4, y = 2
Step-by-step explanation by elimination:
Solve the following system:
{2 x + 3 y = 14 | (equation 1)
x + 5 y = 14 | (equation 2)
Subtract 1/2 * (equation 1) from equation 2:
{2 x + 3 y = 14 | (equation 1)
0 x + (7 y) / 2 = 7 | (equation 2)
Multiply equation 2 by 2/7:
{2 x + 3 y = 14 | (equation 1)
0 x+y = 2 | (equation 2)
Subtract 3 * (equation 2) from equation 1:
{2 x+0 y = 8 | (equation 1)
0 x+y = 2 | (equation 2)
Divide equation 1 by 2:
{x+0 y = 4 | (equation 1)
0 x+y = 2 | (equation 2)
Collect results:
Answer: {x = 4, y = 2
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