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You have to collect like terms

In other words, add together the values that have x in them and add together the values that don't

4x + 7x = 11x

8 + 3 = 11

The answer is 11x + 11

Hope This Helps You!

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Answer:

[tex]\boxed{\bold{11x+11}}[/tex]

Step-by-step explanation:

Remove Parenthesis: (a) = a

[tex]\bold{4x+8+7x+3}[/tex]

Group Similar Terms

[tex]\bold{4x+7x+8+3}[/tex]

Combine Similar Elements: [tex]\bold{4x+7x=11x}[/tex]

[tex]\bold{11x+8+3}[/tex]

Combine Numbers: [tex]\bold{8+3=11}[/tex]

[tex]\bold{11x+11}[/tex]