add each pair of expressions. (i) 8x-12y and 3y-7x
Answers
Answered by
3
Step-by-step explanation:
8x-12y+3y-7x = 8x-7x-12y+3y=-1x-9y
Answered by
4
Answer:
(-9y)+(-x)
Step-by-step explanation:
(3y-7x)+(8x-12y)
=3y-7x+8x-12y
=3y-12y+7x-8x (grouping same terms)
=(-9y)+(-x)
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