Question

7x-2×(x-3) = 3×(x+4)

Answer 1

$7x - 2 \times (x - 3) = 3 \times (x + 4) \\ 7x - 2x + 6 = 3x + 12 \\ 5x + 6 = 3x + 12 \\ 5x - 3x = 12 - 6 \\ 2x = 6 \\ x = 3$