book Maths Puzzle Numerical Ability

1. -3 = 7 - 4y

2. 2x + 4(3x - 6) = 4 - (6x + 2)

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book Other Question

Find the area of the trapezoid at the right by combining the area of the triangle and the area of the rectangle. Now I don't really know how to explain how this figure looks but I Find three consecutive intergers such that twice the smallest is 12 more than the largest.