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Answer :

Answer: 3a - 7

Step-by-step explanation:

(-4a - 3) + (7a - 4)

Combine like terms

-4a + 7a - 3 - 4

3a - 7

Hope this helped!

7 a -4 =30

Move all terms not containing  

a

to the right side of the equation.

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7

a = 34

Divide each term by  

7

and simplify.

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a = 34 7

The result can be shown in multiple forms.

Exact Form:

a = 34 7

Decimal Form:

a = 4. 857142

Mixed Number Form:

a

=

4  6/ 7