28=8x+12-7
28=8x+5
23=8x
x=23/8
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28=8x+12-7x 28=8x-7x+12 28=x+12 28-12=x+12-12 16=x
4(2x-3)+7=8x8x-12+7=8x-8x..........-8x-12+7=0+12.....+127=12-7...-7No Solution:0≠54(2x-3+7)=8x8x-12+28=8x-8x............8x-12+28=0+12.......+1228=12-28...-28No Solution: 0≠-16
if its -8x+16=0 x=2 if its -8x-16=0 x=-2 if its -8x=16 x=-2
5x-3=2-8x 5x-3+3=2-8x+3 5x=5-8x 5x+8x=5-8x+8x 13x=5 x=5/13
-8x + 3 = 27 -8x = 27 - 3 -8x = 24 -x = 3 x = -3