Subtract (7x+9y) from (16x+20y)
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(7x+9y)-(16x+20y)
=7x+9y-16x-20y
= -9x-11y
= - (9x+11y)
=7x+9y-16x-20y
= -9x-11y
= - (9x+11y)
Answered by
1
Now thise is my answer
(9x+11y)
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