Question

Solve the follwing pair of linear equations by sunstitution method:

2x-7y= -10; 3x+2y=10

Answer 1

2x-7y=-10 equation 1
x=-5+7y
now substitute the value of X in equation 2
3(-5+7y)+2y=10
-15+23y=10
23y=25
y=25/23

X=-5+7(25/23)

Answer 2

Answer:

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