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Solve the system of two linear equations by the method of elimination (also called addition method). For a dependent system, give the answer in the form of an ordered pair in terms of x. (If there is no solution, enter NO SOLUTION.) x - y = -15 -3x + 3y = 45 (x, y) =?

Sagot :

x - y = -15 -3x + 3y = 45 (x, y) = the system of two linear equations using the method of elimination ( 5, 45).

x - y = -15

-3x + 3y = 45

written as

3x - 3y = -15

+3x + 3y = 45

6x = 30

x = 5

Substitute x = 5 into either of the linear equations to find y.

x - y = -15

5 - y = -15

y = 45

Therefore, the solution is (5, 45).

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