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If you mean: y = 2x+5 then it is a straight line equation.
If you mean y = 2x-3 then the parallel equation will have the same slope of 2 but with a different y intercept
Thanks to the browser, it is not possible to tell what the inequalities are.
Without any equality signs the given expression can't be considered to be straight line equations.
Without a second independent equation, it's not a 'system' yet.
If you mean: y = 2x+5 then it is a straight line equation.
Since there is no equality (or inequality) sign in the question, there is no equation or inequality) and therefore nothing which can be solved.
If you mean y = 2x-3 then the parallel equation will have the same slope of 2 but with a different y intercept
y2x - just double the coordinate of y to get x. xy12 - i have no idea
6
If you mean y = 2x then it is a straight line equation
Thanks to the browser, it is not possible to tell what the inequalities are.
Without any equality signs the given expression can't be considered to be straight line equations.
If you mean: y = 2x+8 then it is a straight line equation whereas 2 is the slope and 8 is the y intercept
It is an expression in two variables, x and y.
If you mean: y = 2x-4 then it is equal to a straight line equation
No because it's not a simultaneous equation but some kind of algebraic expression