f(x) = 7x - 5
f(-5)=7(-5)-5
f(-5)=-35-5
=-40
f(a)=44
7a-5=44
7a=44+5
7a=49
a=7
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f(x) = 7x - 5
f(-5)=7(-5)-5
f(-5)=-35-5
=-40
f(a)=44
7a-5=44
7a=44+5
7a=49
a=7