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Liono4ka [1.6K]
3 years ago
14

What is the solution to 4(y-3)+19=8(2y+3)+7

Mathematics
1 answer:
Effectus [21]3 years ago
3 0

Answer:

Y = -1.2 OR - 1 1/5

Step-by-step explanation:

4(y-3)+19=8(2y+3)+7      First, simplify the problem by multiplying the numbers outside of the ()’s by the numbers inside the ()’s

4y-12+19=16y+24+7       Next, simplify again by combining like terms (EX: -12 + 19 = 7)

4y+7=16y+31.                 Then, get Y by itself.

-4y     +4y

7=20y+31

-31        -31        

-24=20y.                         (Divide to get Y by itself)

/20  /20              

-1.2 = Y or - 1 and 1/5 = Y                              

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Perform the indicated operation.
Vladimir [108]

\frac{2(a-3)}{(3+a)(3-a)}

Step-by-step explanation:

This can be written as;

\frac{8}{9-a^2} *\frac{a^2-6a+9}{4a^2-4a-24}

Perform factorization

9-a²=difference of squares formula

(3+a)(3-a)

4a²-4a-24

4(a²-a-6)

4(a²-3a+2a-6)

4(a(a-3)+2(a-3))

4((a+2)(a-3))

a²-6a+9

a²-3a-3a+9

a(a-3)-3(a-3)

(a-3)(a-3)

Rewrite the operation as;

\frac{8}{(3+a)(3-a)} *\frac{(a-3)(a-3)}{4((a+2)(a-3)}

cancel common to remain with;

\frac{2(a-3)}{(3+a)(3-a)}

Learn More

Factorization : brainly.com/question/11930808

Keywords : Operation

#LearnwithBrainly

7 0
3 years ago
Nick has $7.00. Bagels cost $0.75 each, and a small container of cream cheese cost $1.29. Write an inequality to find the number
mestny [16]
If you buy 1 container of cream and an unknown number of bagels, x will represent the number of bagels you buy. 
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8 0
4 years ago
4x + 2(2x - 3) = 8(x - 1)
Semenov [28]

Answer:

No solution

Step-by-step explanation:

4x + 2(2x - 3) = 8(x - 1)

4x + 4x - 6 = 8x - 8

8x - 6 = 8x - 8

0 = -2

There is no value of x makes the equation true.

3 0
3 years ago
Value of X? PLEASE HELP ME!!
Semenov [28]
Use the trigonomeric function:
\cos30^o=\dfrac{x}{10}\\\\/\cos30^o=\dfrac{\sqrt3}{2}/\\\\\dfrac{x}{10}=\dfrac{\sqrt3}{2}\ \ \ |\cdot10\\\\x=\sqrt3\cdot5\\\\x=5\sqrt3

4 0
4 years ago
The probability that Sara wins a raffle is given by the expression n n + 3 . Write down an expression, in the form of a combined
erastovalidia [21]

Answer:

n/3

Step-by-step explanation:

n×by n is=n square.

n/3

4 0
3 years ago
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