Zoe is solving the equation 3x – 4 = –10 for x.She used the addition property of equality to isolate the variable term as shown.3x – 4 = –103x – 4 + 4 = –10 + 43x = – 6

Zoe has reached 3x = −6. To isolate x, divide both sides by 3: 3x ÷ 3 = −6 ÷ 3, so x = −2. This uses the division property of equality, which is included in choice B, “either the multiplication or division property of equality.”

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