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Mathematics, 26.10.2020 17:20 jonquil201
Dannika solved this equation: -2(x + 4) = 10. Below are her steps. Step 1: β2 (x+4)=10 Step 2: β2(x) + β2(4) =10 Step 3: β2x +β8 =10 Step 4: β8 β8 Step 5: β2x =2 Step 6: Γ·β2 Γ·β2 Step 7: x=1 Analyze Dannika's work. Dannika made 2 mistakes.
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Dannika solved this equation: -2(x + 4) = 10. Below are her steps. Step 1: β2 (x+4)=10 Step 2: β2(x)...
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