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Verify the following:(a) 18xx[7+(-3)]=[...

Verify the following:(a) `18xx[7+(-3)]=[18xx7]+[18xx(-3)]` (b) `(-21)xx[(-4)+(-6)]=[(-21)xx(-4)]+[(-21)xx(-6)]`

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To verify the given equations, we will follow the steps outlined in the video transcript and perform the calculations step by step. ### Part (a): Verify `18 × [7 + (-3)] = [18 × 7] + [18 × (-3)]` **Step 1: Calculate the left-hand side (LHS)** LHS = `18 × [7 + (-3)]` First, simplify the expression inside the brackets: `7 + (-3) = 7 - 3 = 4` ...
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