exam Maths Puzzle Numerical Ability

1. Please help me solve these equations;
a). 8x - (3x - 5) = 40
b). 7(3x + 6) = 11 - (x + 2)
c). -7 + 9x = 9x - 7
d). 5x + 3 = 11 - 4x + x

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exam Other Question

Graph the union or intersection

The intersection of 2x > y and y > x + 2 My algebra worksheet says to Express each polynomial as the product of its greatest monomial factor and another polynomial.

One of the problems is: 9x^2y - 27xy^2