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Verified answer
1.5c - 2(4c-9)=5+5(2-c)
5c -8c+18 = 5+10-5c
-3c+10=15-5c
-3c+5c=15-10
2c=5
c= 5/2
c= 2 1/2
b.
5(x+2)+2(2x-1)=7(x-4)
5x+10+4x-2=7x-28
9x+8=7x-28
9x-7x=-28-8
2x=-36
x= -36/2
x=-18
c.
3(x-4)=5(2x-3)-2(3x-5)
3x-12=10x-6-6x+10
3x-12=4x+4
3x-4x=4+12
-x=16
x= -16