Without an equality sign the given expression is not an equation and so therefore a solution is not possible.
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If 6x - 3 = -51, then x = -8
8z + 3 - 2z < 51 6z + 3 < 51 6z < 48 z < 6 ☺
x2 - 6x - 27 = (x-9)(x+3)
3 and the solution is x = -5 and y = -3 When subtracting the equations remember that a - - is equal to a + So: - 6x - - 6x = 0 Also remember that a minus times a minus that the product is always a plus.
2y - 6x = -8 You have two unknowns and only one equation. In the absence of any other information, this equation cannot be solved. What can be done is to make each unknown the subject of the equation. 2y = 6x - 8 y = 3x - 4 6x = 2y + 8 3x = y + 4 x = (y + 4)/3