d. \( \frac{2}{3}(x-1)+2=\frac{2}{3}+\frac{12}{10} \cdot \frac{5}{3} \)
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Beyond the Answer
Let’s solve the equation step by step. First, simplify the right side of the equation: \[ \frac{12}{10} \cdot \frac{5}{3} = \frac{12 \times 5}{10 \times 3} = \frac{60}{30} = 2. \] So, the equation now reads: \[ \frac{2}{3}(x-1) + 2 = \frac{2}{3} + 2. \] Next, simplify the right-hand side: \[ \frac{2}{3} + 2 = \frac{2}{3} + \frac{6}{3} = \frac{8}{3}. \] Now the equation is: \[ \frac{2}{3}(x-1) + 2 = \frac{8}{3}. \] Subtract \(2\) (which is \(\frac{6}{3}\)) from both sides: \[ \frac{2}{3}(x-1) = \frac{8}{3} - \frac{6}{3} = \frac{2}{3}. \] Now, divide both sides by \(\frac{2}{3}\): \[ x - 1 = 1. \] Finally, add \(1\) to both sides: \[ x = 2. \] The solution is \(x = 2\).
