Y - 2x +4 is an expression which cannot be simplified. Since it is neither an equation nor an inequality, it cannot be solved.
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The output or y-value when you input x-4 into the function y = 2x + 6 is 2(x-4) + 6 = 2x - 8 + 6 = 2x - 2.
The sum of adding 4 to itself 23 times is 96. This can be calculated by multiplying 4 by 24, as each addition of 4 counts as one less than the total number of 4s being added. Therefore, 4 x 24 equals 96.
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If:xy = x2 + y2 + 2xyThen:x2 + xy + y2 = 0Do you want to solve it for x?x2 + xy + (y/2)2 = (y/2)2 - y2(x + y/2)2 = y2/4 - y2x + y/2 = ± √(-3y2/4)x = -y/2 ± y√(-3) / 2x = (-y ± yi√3) / 2
The browser used for posting questions on this site is mostly useless for mathematical questions since it strips out most symbols. It is, therefore, not possible to tell where the equality (or inequality) symbol in the function lies and so determine the domain or range.