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Alchen [17]
2 years ago
11

9\\ x+2y=-25\\what is value of x" alt="x+y=-9\\ x+2y=-25\\what is value of x" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
ExtremeBDS [4]2 years ago
5 0

x + y = -9

x + 2y = -25

Rewrite the first equation as x = -9-y

Relace x in the second equation:

-9-y + 2y = -25

Simplify:

-9 +y = -25

Add 9 to both sides:

y = -16

Now you know y,, replace y in the first equation and solve for x:

x -16 = -9

Add 16 to both sides:

x = 7

Answer: x = 7

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