Question

solve - 5x+7/2=3/2x-14
a)-2
b)-3
c)-4
d)-5
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Answer 1

c) -4 okkkkkkkkkkkkkkkkkkkkk

Answer 2

5x + 7/2 = 3/2x - 14
10x+7/2 = 3-28x/2x
2x{10x+7} = 2{3-28x}
x{10x+7} = {3-28x} (2 is cut from lhs & rhs)
10x^2 + 7x = 3-28x
10x^2 + 7x + 28x - 3 =0
10x^2 + 35x - 3 =0

According to Differentiation,
D= b^2 - 4ac
D= 35^2 - 4(10)(-3)
D= 1225 + 120
D= 1345 is greater than 0
Thus, there will be two answer.
Not one
So for the two answers use Quadratic formulla or factorize it.

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