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emmainna [20.7K]

3 years ago

7

Is the answer 40? I am kind of confused

2 answers:

klemol [59]3 years ago

4 0

Answer:

Yes

Step-by-step explanation:

29-18=11

c=11

18+2(11)=40

Y_Kistochka [10]3 years ago

3 0

Answer:

30

Step-by-step explanation:

If A+B is 18, A and B should equal 9.

A+B+C=29, that should mean C=6.

A+B+2C=9+9+2(6)

9+9+2(6)=30

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Step-by-step explanation:

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Step-by-step explanation:

De la pregunta anterior:

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3 years ago

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Use the substitution method to determine the solution to the system of equations below. y-2x+2=1 6x - 3y = 3

vaieri [72.5K]

Answer:

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Step-by-step explanation:

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<u />

<u /> $y - 2x + 2 = 1 \\ +2x - 2 +2x - 2\\y = 2x - 1$

Plug in for y:

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