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fomenos
2 years ago
5

2/3 (x - 7 ) = -2 AL y = 5/3 B: 8 1/3 C: 10 D: 4

Mathematics
1 answer:
nika2105 [10]2 years ago
8 0

Answer:

D: 4  

Step-by-step explanation:

1. Solve the equation

\begin{array}{rcl}\dfrac{2}{3}(x - 7) & = & -2\\\\2(x - 7) & = & -6\\x - 7 & = & -3\\x & = & \mathbf{4}\\\end{array}

2. Check

\begin{array}{rcl}\dfrac{2}{3}(4 - 7) & = & -2\\\\\dfrac{2}{3}(-3) & = & -2\\\\-2 & = & -2\\\end{array}

OK

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 answer

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Step-by-step explanation:

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