Question

take away 3x+4-5z+3 from 7x-8y+7z-4

Answer 1

$(7x - 8y + 7z - 4) - (3x + 4y - 5z + 3) \\ \\ = 7x - 8y + 7z - 4 - 3x - 4y + 5z - 3 \\ \\ = 7x - 3x - 8y - 4y + 7z + 5z - 4 - 3 \\ \\ = 4x - 12y + 12z - 7$

Answer 2

The answer goes like this............hope it helps.....plz mark as brenliest....

7x-8y+7z-4-(3x+4-5z+3)

=7x-8y+7z-3x-4+5z-3

=4x-8y+12z-7 (Ans.)

This is your answer