3(x+y) and 4(x-1) add
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Answer:
7x + 3y - 4
Step-by-step explanation:
7x + 3y -4
EXPLANATION =
3(x + y)
= 3x + 3y
4(x-1)
= 4x - 4
3x + 3y + 4x -4
= 7x +3y - 4