3 years ago

-5(4x+7) {less than to equal to symbol} 25

1 answer:

6 0

<span>-5(4x+7) <= 25;
-20x - 35 <= 25 / +35;
-20x <= 60 / </span>÷ (-20 < 0)<span>;
x >= - 3;
x </span>∈ [ - 3, +oo )

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