Question

What should be added to 7x + 4x + 3 to get 9x please tell fast​

Answer 1

Answer:

-x-3 should be added to 7x+4x+3 get 9x

Step-by-step explanation:

7x+4x+3

=10x+3

9x-(10x+3)=-x-3

to get 9x we must add -x-3 to 10x +3

10x+3+(-x-3)

=10x+3-x-3

=9x

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