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Mathematics
20 November, 00:10
Y = 3x+7
y = - 2x-3
What would be the x and y for that solution
+1
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Giovanny Spears
20 November, 00:12
0
So if we are solving for x and y. First we need to subtract both equations. We take each equation and put in parenthesis and subtract.
y-y = (3x+7) - (-2x-3) =
0 = 3x+7+2x+3
0 = 5x+10
-10 = 5x
-2 = x.
Now we need to solve for y.
Plug it in for the first equation. - 2*3+7 = - 6+7 = 1
Test if we are correct and try in the second equation.
-2*-2-3 = 4-3 = 1
x = - 2
y = 1
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