If you mean: 4 = 2x then the value of x = 2
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Y - 2x +4 is an expression which cannot be simplified. Since it is neither an equation nor an inequality, it cannot be solved.
Yes
y -2x when solved mathematically would remain y - 2x.
The problem can be written as:2x - 6 = 4and solved as:2x - 6 = 4+6 = +6 [adding 6 to both sides]2x = 10(2x)/2 = (10)/2 [dividing both sides by 2]x = 5
It can be simplified to 2x^2 +x -6 and factored to (2x-3)(x+2)