2x – y + 3 = 0 …………..(1)
3x – 7y + 10 = 0 ………..(2)
Let us use substitution method to solve the given system of equations.
Find the value of y form equation (1) and substitute the value in (2).
From (1)
-y = -3 – 2x
y = 2x + 3
And,
y = 1
Again, y = 2x + 3
1 = 2x + 3
x = -1
Answer: x = -1 and y = 1