pls solve them in the copy and send me the answer
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i) 5x-7=2×3x
5x-7=6x
5x-6x=7
x=-7
ii) 2x+5=x+4
2x-x=4-5
x=-1
iii) 2x=-3(3x+1)
2x=-9x-3
2x+9x=-3
11x=-3
x=-3/11
iv) 9×2x=5 (3x-2)
18x=15x-10
18x-15x=-10
3x=-10
x=-10/3
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