Question

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Answer 1

7 > −2x + 3 ≥ − 7
this can be split into two parts.
7>-2x+3 nd -2x+3≥-7

7>-2x+3
7-3>-2x
4>-2x
When u divide by -2 the inequality sign flips
4/-2>-2x/-2
-2<x

-2x+3≥-7
-2x≥-7-3
-2x≥-10
When u divide by -2 the inequality sign flips
-2x/-2≥-10/-2
x \(\le\)5.

Nw let us plot this in number line.

The circle at 5 is shaded bcos it says that x is less than or equal to 5.