What should be added to 3x + 4y -7 to have a sum of 4x + y + 5. *
a. x - 3y + 12
b. x + 3y - 12
c. x -3y - 12
Answers
Answered by
0
Answer:
a.x-3y+12
Step-by-step explanation:
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Answered by
1
Answer:
x-3y+12
Step-by-step explanation:
Let the number to be added be 'a'
so,3x+4y-7+a=4x+y+5
a=4x+y+5-(3x+4y-7)
=4x+y+5-3x-4y+7
=x-3y+12
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