Problem

Simplify the expression below: \[ 3(7 x)-2(4-x) \] (A) \( 13-2 x \) (C) \( 23 x-8 \) (B) \( 13+2 x \) (D) \( 20 x-8 \)

Solution

Step 1 ：3(7x) - 2(4-x) = 21x - 8 + 2x

Step 2 ：21x - 8 + 2x = 23x - 8

From Solvely APP
Source: https://solvelyapp.com/problems/21120/

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