Question

substitution method class 10 equation 5x+4y=2and3x+y=4​

Answer 1

5x+4y = 2 -(1)

3x+y = 4

y = 4-3x

Substitute this value is 1

5x+4(4-3x)=2

5x+16-12x=2

-7x = -14

x = 2

Put this in 1

5×2+4y = 2

10+4y=2

4y = -8

y = -2

Answer 2

Answer:

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