Question

solve the following simultaneous equation of 3x+4y+5=0,y=x+4​

Answer 1

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Answer 2

first equation:

3×+4y+5=0

3x+4y=0-5

3x+4y= -5

second equation:

y=x+4

x+4=y

x+4-4 = y-4

x = y-4

Second equation is Made from linear equation.

maybe it isn't but it'll help you in solving another equations