Bradford T. answered 10/04/21
Tutor
4.9
(29)
Retired Engineer / Upper level math instructor
7x-7 = 42
7x=49
x1=7
7x-7=-42
7x=-35
x2=-5
x1+x2=7-5=2
Boo D.
asked 10/04/21The sum of those two solutions is
Bradford T. answered 10/04/21
Retired Engineer / Upper level math instructor
7x-7 = 42
7x=49
x1=7
7x-7=-42
7x=-35
x2=-5
x1+x2=7-5=2
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