Answers

2016-01-24T15:41:44+05:30
HOPE IT HELPS :)

a+a+b = 2x-2ya-b = 4x-8
2a+b = 2x-2ya-b
2a  = 2x-2ya-b-b
2a = 2x-2ya-2b
2a = 4x-8
4x-8 = 2x-2ya-2b
4x-2x = -2ya-2b+8
2x = -2ya-2b+8
x = ( -2ya-2b+8) ÷ 2
x = -ya-b+4
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