Given g(x)=-x-1 find g(-4)
2 answers:
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(x-25) = 7 multiply 5 to both sides first
-(x-25) = 35 then expand the brackets
-x+25=35 make x the subject now;
-x=10
x= -10
-(x-25) = 35 then expand the brackets
-x+25=35 make x the subject now;
-x=10
x= -10