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Oxana [17]
3 years ago
13

Solve for x: [x - 2 + 10 = 12

Mathematics
1 answer:
Monica [59]3 years ago
5 0

Answer:x-2+10=12

We move all terms to the left:

x-2+10-(12)=0

We add all the numbers together, and all the variables

x-4=0

We move all terms containing x to the left, all other terms to the right

x=4

Step-by-step explanation:

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What's the value of x? 40000mg =10x g
dybincka [34]

The value of x is 4. So 40000 mg= 40 g.

Step-by-step explanation:

      The given is 40000mg = 10x g

Step:1

      Take given equation as equation (1)

                     40000 mg= 10x g.................(1)

      where, X is known value.

Step:2

      Standard value for mg to g for the purpose of conversion of units,

                      1 milligram = 0.001 gram   (or)

                      1 gram = 1000 milligram

Step:3

      From the standard data values,

                    = 40000 mg

      it converted mg to g by dividing 1000

                    = \frac{40000}{1000} g

                    = 40 g.......................(2)

Step:4

       From the Equations (1) and (2),

                 40=10x

                  x=4

Result:

       The value of x is 4. So, 40000mg = 40 g.

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Answer:

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Step-by-step explanation:

if \to 4x + 5y = 3 \\ if  \to 2x + 3y = 1 \\then \\ 2 \times  \: 4x + 5y = 3 \\ 4 \times 2x + 3y = 1 \\ 10y - 12y = 6 - 4 \\  - 2y = 2 \\ \boxed{ y =  - 1} \\ 4x  +  5y = 3 \\ 4x  +5( - 1) = 3 \\ 4x  -  5 = 3 \\ 4x = 3  + 5 \\ 4x =  8 \\  \boxed{x =  2} \\ hence \: the \: equivalent \: system \: is \to D \\

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Step-by-step explanation:

The / bar means over

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Answer:

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Step-by-step explanation:

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