2y-4x=-12 Add 4x to each side
2y=4x-12 Divide each side by 2
y=2x-6 The y-intercept is (0,-6)
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-4a = 48 a = -12
It is a linear equation. The highest power of x in the equation is 1 (3x1-4=12) so its "degree" is 1, and equations of "degree 1" are called linear equations.
It is a linear equation in a single variable, x.
For x-intercept, y = 0 so -4x = -12 therefore x = 3.
12