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Haley Keith
Mathematics
9 May, 00:26
2x - y = 11
6x - 3y = 15
solve for x and y using elimination
+1
Answers (
1
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Nehemiah Johnson
9 May, 00:44
0
Step-by-step explanation:
Given the simultaneous equation
2x - y = 11. Equation 1
6x - 3y = 15. Equation 2
Using elimination method
Multiply the coefficient of x in equation 1 (which is 2) to equation 2. Also, multiply the coefficient of x in equation 2 (which 6) to equation 1. By doing this we are going to eliminate x
2x - y = 11. * 6 Equation 1
6x - 3y = 15. * 2 Equation 2
12x-6y=66. Equation 3
12x-6y=30. Equation 4
Subtract equation 4 from 3
Then (12x-6y) - (12x-6y) = 66 - 30
0=36
Which is not possible
Then the system has no solution, it has no solution at all. Because 0 is not equal to 36. If has been 0 equals to 0, then we may many solutions for simultaneous equation.
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