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Effectus [21]
3 years ago
7

We need helping solving for y.....3x-9y=24

Mathematics
2 answers:
Over [174]3 years ago
8 0

3x-9y=24

-9y=-3x+24

y=-3/-9x-24/9

y=1/3x-8/3

balu736 [363]3 years ago
6 0
3x-9y=24
+9
—————
3x = 33
x=11
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Simplify:<br> 5/4x-8y-1/4x+7y+3<br> A)x-y+3<br> B)3/2x+y+3<br> C)3/2x-y+3<br> D)x+y+3
Dovator [93]
<span>A)x-y+3 is your answer 

Proof:

(5 x)/4 - 8 y - x/4 + 7 y + 3
Put each term in (5 x)/4 - 8 y - x/4 + 7 y + 3 over the common denominator 4: (5 x)/4 - 8 y - x/4 + 7 y + 3 = (5 x)/4 - (32 y)/4 - (x)/4 + (28 y)/4 + 12/4:
(5 x)/4 - (32 y)/4 - x/4 + (28 y)/4 + 12/4
(5 x)/4 - (32 y)/4 - x/4 + (28 y)/4 + 12/4 = (5 x - 32 y - x + 28 y + 12)/4:
(5 x - 32 y - x + 28 y + 12)/4
Grouping like terms, 5 x - 32 y - x + 28 y + 12 = (28 y - 32 y) + (5 x - x) + 12:
((28 y - 32 y) + (5 x - x) + 12)/4
28 y - 32 y = -4 y:
(-4 y + (5 x - x) + 12)/4
5 x - x = 4 x:
(-4 y + 4 x + 12)/4
Factor 4 out of -4 y + 4 x + 12:
(4 (-y + x + 3))/4
(4 (-y + x + 3))/4 = 4/4×(3 + x - y) = 3 + x - y:
Answer:  3 + x - y
</span>
6 0
3 years ago
What is the angle measurement of CBD?
Marizza181 [45]
The angle measurement is 68 which is a right?
6 0
2 years ago
Solve graphically 6x-3y+10=0 and 2x -y +9 =0​
sergey [27]

Answer:

Step-by-step explanation:

6x-3y+10=0 ⇒-3y=-6y-10 ⇒ y=-6x/-3 -10/-3⇒ y=2x+10/3

2x -y +9 =0​ ⇒ -y=-2x-9 ⇒y=2x+9

<h2>y=2x+10/3</h2><h2>y=2x+9</h2><h2 /><h2 />

6 0
3 years ago
Which of the following pairs of numbers contains like fractions? A.3/2 and 2/3 B.5/6 and 10/12 C. 6/7 and 1 5/7 D. 3 1/2 and 4 4
AVprozaik [17]
B would be the correct answer 
7 0
3 years ago
The product of two numbers is 25 find the smallest value of their sum
chubhunter [2.5K]
The value of 25 is 26
5 0
3 years ago
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