f(-7)=2(-7)+4

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Solution for f(-7)=2(-7)+4 equation:



f(-7)=2(-7)+4
We move all terms to the left:
f(-7)-(2(-7)+4)=0
We add all the numbers together, and all the variables
f(-7)+10=0
We multiply parentheses
-7f+10=0
We move all terms containing f to the left, all other terms to the right
-7f=-10
f=-10/-7
f=1+3/7

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