If a = x -3y, b =2x+3y and c = -3x +7. Find a+b -c
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Answered by
3
Answer:
x-3y+2x+3y-(-3x+7)
x-3y+2x+3y+3x+7
Answered by
1
Step-by-step explanation:
x-3y+2x+3y-3x+7
=3x-3x-3y+3y+7
=7
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