I'm stuck on this answer. true or false? explain your answer. the inequality −2(x + 10) ≥ 75 says the same thing as −2x − 20 ≥ 75. i can multiply by -2 on the left side without reversing the inequality symbol.

I agree with what that person told you. The expression -2(x+10) is equivalent to -2x-20

Multiply the outer -2 with the inner x to get -2 times x = -2x

Multiply the outer -2 with the inner term 10 to get -2 times 10 = -20

So overall, -2(x+10) = -2x-20

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So that's how we're able to go from this to this

The only thing that changes is the left side. The inequality sign will not flip. It only flips if we multiply both sides by a negative number.