x + 2 = -2x + 2
Add 2x to each side of the equation:
3x + 2 = 2
Subtract 2 from each side:
3x = 0
Divide each side by 3:
x = 0
The equation is a true statement only if x=0.
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this can not be solved un less with another equation
A single linear equation in two variables cannot be solved.
-2x plus 3y equals 1
x = - 4 - or + the square root of 3 Solved by using the quadratic equation formula.
It's a simultaneous equation and can be solved by elimination which works out as:- x = -4 and y = 1