Question

please solve the following questions:- a. x/3+1=7/15 b.3(2p-1)=5-(3p-2) c. 3x+4/2-6x=-2/5 d. y+1/3-y-1/2=1+2y/3

Answer 1

Step-by-step explanation:

3×2p_1=5×3p _ 2

5p=13p

p×p=13×5

2p=65

p=65÷2

p=32.5

Answer 2

ANSWER!!!

1)

x/3 +1 =7/15

x/3 = 7/15 -1

x/3 = -8/15

x= -8*3/15

x= -8/5

2)

3(2p-1)=5-(3p-2)

6p - 3 = 5-3p+2

6p+3p = 5+2+3

9p = 10

p= 10/9.

3)

3x+4/2-6x=-2/5

3x + 4/2(1-3x) = -2/5

3x + 2/(1-3x) = -2/5

3x(1-3x) + 2 = -2(1-3x)/5

3x -9x^2 +2 = (-2+6x)/5

15x - 45x^2 +10 = -2 +6x

15x-6x-45x^2 +10+2=0

-45x^2 +9x +12=0

45x^2 -9x -12=0

15x^2 - 3x -4 =0

=>【 -(-3) ± √{(-3)^2 - 4(15)(-4)} 】/2

=> { 3± √249}/2

x= (3± √249)/2

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