solve 7y - 9 = 3( y + 9 ) using transposition method
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Answer:
y = 9
Step-by-step explanation:
7y - 9 = 3y +27 [Remove the parentheses]
7y - 3y - 9 = 27 [Transposing -3y to L.H.S.]
4y = 27 + 9 [Transposing -9 to R.H.S. ]
4y = 36
y = 9 [Dividing both sides by 4]
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