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Irina-Kira [14]
3 years ago
13

3(b + 8) = b + 48 PORFAVOR con plantamiento operacion y resultado, y de paso me explique el temas nsd9ucancuqna :( amaba matemat

icas. doy corona
Mathematics
1 answer:
ipn [44]3 years ago
5 0

Answer:

b=12

Step-by-step explanation:

3b +24= b +48

       -24       -24

   3b =  b+ 24

   -b      -b

2b = 24

÷2     ÷2

b=12

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Heston found the opposite of a number<br> to be negative 4.2. What is the number?
Daniel [21]
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2 years ago
Solve the system 3x+y=2 5x-y=8
Citrus2011 [14]

Answer:

x= 5/4 ; y= -7/4

Step-by-step explanation:

I will solve your system by substitution.

(You can also solve this system by elimination.)

3x+y=2;5x−y=8

Step: Solve3x+y=2for y:

3x+y+−3x=2+−3x(Add -3x to both sides)

y=−3x+2

Step: Substitute−3x+2foryin5x−y=8:

5x−y=8

5x−(−3x+2)=8

8x−2=8(Simplify both sides of the equation)

8x−2+2=8+2(Add 2 to both sides)

8x=10

8x

8

=

10

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(Divide both sides by 8)

x=

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Step: Substitute

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forxiny=−3x+2:

y=−3x+2

y=−3(

5

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y=

−7

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(Simplify both sides of the equation)

Answer:

x=

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3 0
3 years ago
12x−5y=−20 y=x+4 x=x=x, equals y=y=y, equals
aksik [14]

Answer:

The solution is (0, 4)

Step-by-step explanation:

Please pay attention to the first two equations and drop the last two:

12x−5y=−20 y=x+4 x=x=x, equals y=y=y   should ideally be:

12x−5y=−20

y=x+4

Let's find x.  Substitute x + 4 for y in the first equation, obtaining:

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Carrying out the indicated multiplication, we get:

12x - 5x - 20 = -20, or 7x = 0

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8 0
3 years ago
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iris [78.8K]
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jonny [76]

Answer:

\mathrm{Factor}\:4x^4-32x^3-60x^2:\quad 4x^2\left(x^2-8x-15\right)\\

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<em>Hope this helps and have a great day!!!</em>

<em>Sofia</em>

4 0
3 years ago
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