Question

try solving by the addition method. 1.) 10x + 5y = 1 15x - 20y =...

try solving by the addition method.

1.) 10x + 5y = 1

15x - 20y = 18

2.) 2x + 8y = 6

x + 4y = 8

See if the ordered pair is a solution to the system of linear equations for number 3 problem

3.) (-1, -4)
x + y = 5
x - y = -3

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