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Lady bird [3.3K]
3 years ago
14

Solve the following equation for x: 5x + 3y = 15.

Mathematics
1 answer:
Blizzard [7]3 years ago
7 0

Answer:

x = negative three fifthsy + 3

Step-by-step explanation:

5x + 3y = 15

Subtract 3y from both the sides,

5x = 15 - 3y

Divide by 5 on both sides,

x = -3y/5 + 15/5

x = -3y/5 + 3

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(x-3)(2x+1) Can someone help me on this please
a_sh-v [17]
2x^2-5x-3

This is the answer I believe, I apologize if it’s incorrect
6 0
2 years ago
Solve the following quadratic for the values x
mamaluj [8]

Answer:

x² + 6x - 27 = 0

x² + 9x - 3x - 27 = 0

x ( x + 9 ) - 3 ( x + 9 ) = 0

( x + 9 ) ( x - 3 ) = 0

Thus ,

x = -9 or x = 3

I hope it helps you

#Indian : )

8 0
3 years ago
Read 2 more answers
Can someone pls help me
Kipish [7]

Answer:

C

Step-by-step explanation:

9x² - 4y^{6}

can be factored as a difference of squares , that is

(U + V)(U - V)

9x² - 4y^{6} = (3x)² - (2y³)²

with U = 2x and V = 2y³

8 0
2 years ago
Read 2 more answers
SOMEONE HELP PLEASE!! ITS DUE AT 16:00 UK TIME ILL GIVE YOU BRAINLIEST IF ITS RIGHT!!!
tino4ka555 [31]

Answer:

From left column to right

Left                             Right

1. 23a+18                         1. 7a-6

2. 23a-6                           2. 7a-18

3.  23a-18                             3. 7a+6

4. 0a+4                               4. 0a+0

Step-by-step explanation:

The first example you distribute by doing 3 x 5a plus 3 x 2 + 4 x 2a + 4 x 3

Answer is 15a+6+8a+12=

23a+18

Hope this helped :)

7 0
2 years ago
HELP HELP PLEASE!! D:<br> Determine the missing side length!! <br> PLEASE NO CAP!!
charle [14.2K]

Answer:

missing side length = 9

Step-by-step explanation:

c^{2} = a^{2} + b^{2}

a = 6

b = 7

c = missing side

c^{2} = 6^{2} + 7^{2}

c^{2} = 36 + 49

c^{2} = 85

\sqrt{c^{2} } = \sqrt{85}

c = 9.219 = 9

5 0
3 years ago
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