Question

x-y+1=0 and 4x+3y-10=0. by substitution​

Answer 1

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•To Find x and y :

$\star \: x - y = -1 \: - - - - - (1st) \\ \\ \star \: 4x + 3y = 10 \: - - - - - (2nd)$

By substitution method :

From equation 1st we get ,

$\implies \: x = y - 1$

Put x in equation 2nd we get ,

$\leadsto \: 4(y - 1) + 3y = 10 \\ \\ \leadsto \: 4y - 4 + 3y = 10 \\ \\ \leadsto \: 7y = 10 + 4 = 14 \\ \\ \leadsto \: y = \cancel\frac{14}{7} = 2$

Now put y = 2 in equation 1st we get,

$\implies \: x = - 1 + 2 = 1$

Hence the value of x is 1 and y is 2

Answer 2

Step-by-step explanation:

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