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3 years ago

The equation is 8x+4 solve for x

Mathematics

2 answers:

slava [35]3 years ago

8 0

Answer:

x= -1/2

Step-by-step explanation:

1. Create an equation

8x+4=0

2. Subtract 4 from both sides of the equal sign

8x = -4

3. Divide 8 from both sides of the equal sign to get x by itself

x= -4/8

4. Simplify

x= -1/2

morpeh [17]3 years ago

3 0

The answer will be -0.5 but as a fraction it will be -1/2

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vazorg [7]

Answer:

Weight of Large Box = 18.5 kg

Weight of Large Box = 13.25 kg

Step-by-step explanation:

<u>Given:</u>

There are two types of boxes i.e. Large and Small

Let the weight of Large boxes = L kg

Let the weight of Small boxes = S kg

As per given statement:

A delivery of eight large boxes and four small boxes has a total weight of two hundred and one kilograms.

Writing equation for above:

$8L + 4S = 201$ ....... (1)

A delivery of three large boxes and two small boxes has a total weight of eighty two kilograms.

Writing equation for above:

$3L + 2S = 82 ....... (2)$

Now, by solving the equations (1) and (2), we can get the values of L and S.

<em>Multiplying equation (2) with 2 and subtracting from equation (1):</em>

$8L + 4S = 201$

$2 \times (3L + 2S) = 82 \times 2$

$8L + 4S = 201$

$6L + 4S = 164$

--------------------

$2L = 37$

L = 18.5 Kg

Putting value of L in equation (1):

$8 \times 18.5 + 4S = 201\\\Rightarrow 148 + 4S = 201\\\Rightarrow 4S = 201 - 148\\\Rightarrow 4S = 53\\\Rightarrow S = 13.25\ kg$

So, the answer is:

Weight of Large Box = 18.5 kg

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4 years ago