Question

elimination method examples​

Answer 1

Answer:

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Step-by-step explanation:

Solve the system of equation 2x + 3y = 11, x + 2y = 7 by the method ofelimination. Therefore, x = 1 and y = 3 is the solution of the system of the given equations. Therefore, a = 3 and b = 1/2 is the solution of the given system of equations.

Answer 2

Example

Use elimination to solve the system. 2x + y = 12 −3x + y = 2

2x + y = 12 3x – y = −2 5x = 10 Rewrite the second equation as its opposite. Add.

x = 2 Solve for x.

2(2) + y = 12 4 + y = 12 y = 8 Substitute y = 2 into one of the original equations and solve for y.

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