f(-7)=-196-7(-7)+4

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Solution for f(-7)=-196-7(-7)+4 equation: 



f(-7)=-196-7(-7)+4

We move all terms to the left:

f(-7)-(-196-7(-7)+4)=0

We add all the numbers together, and all the variables

f(-7)+143=0

We multiply parentheses

-7f+143=0

We move all terms containing f to the left, all other terms to the right

-7f=-143

f=-143/-7

f=20+3/7

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