(a)4x-2x-20=x+10
(b)3x-2x=20-x
(c)3x-4x=-3x+10-5
(d)4x-10=2x+50
(e)3x-2x=-10x+50-40
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Answer:
a- 2x -20 = x+ 10
2x -x = 10 +20
1x = 30
x = 30/1
x = 30
b,c,d,e,
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