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Evgesh-ka [11]
3 years ago
12

Help answer this plz

Mathematics
2 answers:
Sphinxa [80]3 years ago
8 0
X=-1 is the answer. Hope that helps!
mote1985 [20]3 years ago
7 0
First, distribute the 10 on the right side, you'll get 20x+30.
Second, combine like terms on the left side which will be 11 and -4, and you'll get 7.
Third, move the -3x to the right side of the equation and combine terms, which will make it 23x.
Fourth, move the 30 to the left side of the equation and combine like terms which will make it -23x.
Lastly, divide 23x on both sides and after you do that, your answer should be x= -1
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2 years ago
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11 x minus 3 y = negative 17. Negative 4 x + 3 y = negative 18. Negative 7 x = negative 35 Negative 7 x = 35 7 x = negative 35 7
posledela

Answer:

7 x = -35

Step-by-step explanation:

Which equation results from adding the equations in this system? 11 x minus 3 y = -17. Negative 4 x + 3 y = - 18.

- 7 x = negative 35

- 7 x = 35

7 x = negative 35

7 x = 35

In this problem we need to add the equations below i.e.

11x-3y = -17 and -4x+3y=-18

Adding both equations,

11x-3y+(-4x)+3y = -17+(-18)

7x= -35

or

7 x = negative 35

Hence, the correct option is (c).

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Step-by-step explanation:

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