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y = 2x + 1 IS a linear equation!
The equation 2x - 3y = 6 is a linear equation and a linear equation is always has a straight line as a graph
It's a linear equation.
for something to be an equation it has to be equal to something.2x+3=0 would be a linear equation (with x=-1.5) 2x+3+0 is just a series of terms.