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Citrus2011 [14]
3 years ago
14

Solve the system by the elimination method.

Mathematics
2 answers:
Vika [28.1K]3 years ago
7 0
10x + 2y - 6 = 0

Multiply 5x + y - 3 = 0 by 2

2(5x + y - 3 = 0) = 10x + 2y - 6 = 0
attashe74 [19]3 years ago
5 0

Answer: The resulting equation are,

3x - 2y - 7 = 0

10x + 2y - 6 = 0

Step-by-step explanation:

Since, for solving a system of equations by the elimination method we either add or subtract the equations to get an equation in one variable.

For this we find out the L.C.M. of the coefficients of that variable which we want to eliminate.

Here, the given equations are,

3x - 2y - 7 = 0  -----(1)

5x + y - 3 = 0 -----(2)

For eliminating y,

The coefficient of y in equation (1) = 2,

And, the coefficient of y in equation (2) = 1

L.C.M. (2, 1) = 2,

Thus, we make 2 as the coefficient of y in both equations,

For this we multiply equation (2) by 2 and equation (1) by 1,

Resultant equations are,

3x - 2y - 7 = 0

10x + 2y - 6 = 0

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