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2. Taking LCM,
=> 10x - 25 + 9 / 15 = 0
=> 10x - 16 = 0
=> 10x = 16
=> x = 16/10
3. 7x - 3 / 5x - 2 = -2
7x - 3 = -10x + 4
7x + 10x = 4 + 3
17x = 7
x = 7/17
5. z + 9/3(z + 5) = - 2
z + 9/ 3z + 15 = -2
z + 9 = -6z - 30
z + 6z = -30 - 9
7z = -39
z = -39/7
6. 5y - 2/4(y +2) = 1/3
5y - 2/4y + 8 = 1/3
15y - 6 = 4y + 8
15y - 4y = 8 + 6
11y = 14
y = 14/11
I hope it'll help you..
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