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05-01-2021
Mathematics

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Solve the system of linear equations by elimination. Check your solution.

Solve the system of linear equations by elimination Check your solution class=

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xianaet xianaet

05-01-2021

Answer:

x = 3

y = -1

Step-by-step explanation:

(x-y) + (x+y) = 4 + 2

2x = 6

x = 3

sub x=3 into x+y=2

3+y=2

y=2-3

y=-1

Check by subbing x=3 and y=-1 into x-y=4

(3)-(-1) = 3+1 = 4

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