Q: 7y plus 8x plus 4 equals 20 plus 8x?

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-8x-6y=-18

no its not a solution

The lines intersect at (3, 5)

-8x -7y

11x + 8 = 8x + 20 3x + 8 = 20 3x = 12 x = 4

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-8x-6y=-18

no its not a solution

(3,7)

-8x - 10 - 20 = -8x - 30

The lines intersect at (3, 5)

-8x -7y

8 over 7.

8x - 7y + 2 = 0 The slope-intercept form is NOT the standard form. The above form is easily generalised to 3 (or more) dimensions, not so with the slope-intercept form.

11x + 8 = 8x + 20 3x + 8 = 20 3x = 12 x = 4

The simplest way is to rewrite the equation in the standard for: y = mx + c. Then the slope is m. 8x - 7y = 56 7y = 8x - 56 y = 8/7 * x - 8 So the slope is 8/7

y=-(8/7)x+4 Therefore, the slope= -(8/7)

8x - 7y + 6