Find the equation of the line parallel to $-3x - 2y = 7$ and passing through the point $(\frac{1}{2}, -2)$.

AlgebraLinear EquationsParallel LinesSlope-intercept formPoint-slope form
2025/4/30

1. Problem Description

Find the equation of the line parallel to 3x2y=7-3x - 2y = 7 and passing through the point (12,2)(\frac{1}{2}, -2).

2. Solution Steps

First, rewrite the given equation in slope-intercept form to find its slope.
3x2y=7-3x - 2y = 7
2y=3x+7-2y = 3x + 7
y=32x72y = -\frac{3}{2}x - \frac{7}{2}
The slope of the given line is m=32m = -\frac{3}{2}.
Since we want a line parallel to this line, the slope of the new line will also be 32-\frac{3}{2}.
We have the slope m=32m = -\frac{3}{2} and a point (12,2)(\frac{1}{2}, -2). We can use the point-slope form to find the equation of the new line:
yy1=m(xx1)y - y_1 = m(x - x_1)
Where (x1,y1)(x_1, y_1) is the given point (12,2)(\frac{1}{2}, -2). Plugging in the values, we get:
y(2)=32(x12)y - (-2) = -\frac{3}{2}(x - \frac{1}{2})
y+2=32x+34y + 2 = -\frac{3}{2}x + \frac{3}{4}
y=32x+342y = -\frac{3}{2}x + \frac{3}{4} - 2
y=32x+3484y = -\frac{3}{2}x + \frac{3}{4} - \frac{8}{4}
y=32x54y = -\frac{3}{2}x - \frac{5}{4}
Now, we can rewrite this in standard form:
y=32x54y = -\frac{3}{2}x - \frac{5}{4}
Multiply by 4 to eliminate fractions:
4y=6x54y = -6x - 5
6x+4y=56x + 4y = -5

3. Final Answer

The equation of the line is 6x+4y=56x + 4y = -5.
Also acceptable: y=32x54y = -\frac{3}{2}x - \frac{5}{4}

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