Solve the following pair of linear equations by substitution method:
152x-378y=-74
-378x+152y=-604
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Given : 152x-378y=-74 , -378x+152y=-604
To find : Value of x & y
Solution:
152x - 378y = -74 Eq1
-378x + 152y = -604 Eq2
Eq1 + Eq2
-226x - 226y = -678
=> x + y = 3
Eq1 - Eq2
=> 530x - 530y = 530
=> x - y = 1
x + y = 3
x - y = 1
Adding both
2x = 4
=> x = 2 & y = 1
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