Question

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

Answer:

91/140

Step-by-step explanation:

• 10x-15/4=3x+4/5
• 10x-3x=4×4/5×4+15×5/4×5
• 7x=16/20+75/20
• 7x=91/20
• x=91/20÷7
• x=91/20×1/7
• x=91/140

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Answer 2

Answer:

mark me the brain list

Step-by-step explanation:

Using

b

a

=

a−b

a+b

Apply this property both sides, we get

3x

4

−x

2

+2x+3

3x

4

+x

2

−2x−3

=

5x

4

−2x

2

+7x−3

5x

4

+2x

2

−7x+3

⇒

2x

2

−4x−6

6x

4

=

4x

2

−14x+6

10x

4

When x=0, the equation is satisfied. So, one solution is zero.

Now, when x is not equal to zero, cancel x

4

on both sides and cancel factor of 2 in the denominator and numerator

⇒

x

2

−2x−3

3

=

2x

2

−7x+3

5

Now after cross multiplying and simplifying the equation, we get

⇒x

2

−11x+24=0

⇒(x−8)(x−3)=0

So, 3 and 8 are also the solution of equation.

So, x=0,3,8 are the solutions.