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A set of equations is given below:

Equation A: y = x + 1
Equation B: y = 4x + 5

Which of the following steps can be used to find the solution to the set of equations?

Respuesta :

tonb
Just equate both to each other and you get:

x + 1 = y = 4x + 5

Leave out the y, and you get

x + 1 = 4x + 5

That was I believe your first option.

You can now work out x: 

-3x = 4 => x = -4/3

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