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Anna11 [10]
3 years ago
9

—9+4+(-14) +9= Simplify the expression

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0

Answer:

-10

Step-by-step explanation:

hope this is correct

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The two problems are almost identical: you have to set up a system, and then solve it.

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5 0
3 years ago
2x+3y=-12<br> 2x+t=-16<br> X=. Y=<br> Help plz
8090 [49]

<u>To make this problem solvable, I have replaced the 't' in the second equation for a 'y'.</u>

Answer:

<em>x = -9</em>

<em>y = 2</em>

Step-by-step explanation:

<u>Solve the system:</u>

2x + 3y = -12       [1]

2x + y = -16       [2]

Subtracting [1] and [2]:

3y - y = -12 + 16

2y = 4

y = 4/2 = 2

From [1]:

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2x + 6 = -12

2x = -18

x = -18/2 = -9

Solution:

x = -9

y = 2

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