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i) 4 ( x - 5 ) + 6x = 100
ii) 3 (x + 5 ) + 5(10 - 5x ) = 10
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i . 4x - 20 +6x = 100
10x - 20 = 100
10x = 100+20
10x = 120
x = 10
ii. 3x + 15 + 50 - 25x = 10
65 - 22x = 10
65 - 10 = 22x
55 = 22x
5/2 = x
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