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If you mean -3(x+5) = 8x+18 then -3x-15 = 8x+18 and the value of x works out as -3
The algebraic expression that represents the sum of 10 and 3 times a number x is 10 + 3x. This expression can be simplified by multiplying 3 with x to get 3x, and then adding 10 to it. In this expression, 3x represents three times the value of x, and 10 represents a constant value added to the product of 3 and x.
The value is 1 if (x, y) = (4, 3) and 0 otherwise.
3 + 3 + 2x = 0 6 + 2x = 0 2x = -6 x = -6/2 x = -3