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hjlf
3 years ago
10

I need help asap with math

Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0
I'm not even going to bother with the substitution method.
Instead of all that, I just want to show you something:

Take the FIRST equation:

                                       y - 2x = 8
Add  2x  to
each side:                      y        = 8 + 2x

Multiply each
side by  2 :                    2y  =  16 + 4x

Look at that !  The first equation says the same thing as the second one !
Both of them are actually the same equation.
You actually have only one equation, with 'x' and 'y' in it.
If you graph it, the graph is a straight line, and EVERY point
on the line is a solution of the equation.

==>  There are an infinite number of solutions, because
they only gave you one equation, with two unknown variables.
To find a unique solution, you'd need two equations.
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