Asked by jennifer

5(x+y)-(x+y)
5X+15Y-X+Y
answer 6x-15y

Us this correct
Answered by Reiny
no, how can 5x - x = 6x ?
if you have 5 apples and take one away .....


5(x+y)-(x+y)
= 5x + 5y - x - y
= ...
Answered by jennifer
the answer is 4x-14y
Answered by Reiny
no it isn't

5(x+y)-(x+y)
= 5x + 5y - x - y
= 4x - 4y

but

15(x+y)-(x+y)
= 15x + 15y - x - y
= 14x - 14y

so you clearly had a typo in your original post
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