On subtracting 7 from both sides of the algebraic inequality 5>1,
we get: 5−7>1−7⇒−2>−6
On adding 5 to both sides of the algebraic inequality 1<5,
we get: 1+5<5+5⇒6<10
On adding 3 to both sides of the algebraic inequality −7<1,
we get: −7+3<1+3⇒−4<4