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ivann1987 [24]
3 years ago
12

Y=x+3 y=2x+4 please answer ASAP

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
7 0
You don't share the instructions here.  Guessing, it seems that the whole problem was originally stated, 

"Solve the following system of linear equations:"

<span>Y=x+3
y=2x+4

Mult. the first equation by -2:    -2y = -2x - 6
Add the 2nd equation to this:       y = 2x + 4
                                                 -----------------
                                                    -y = -2, so y = 2.

Subst. 2 for y in the first equation:  2=x+3.  Then x = -1.

The solution of this system is (-1, 2).
                                                

</span>
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