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Q: How do you solve 7x equals 9y?

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-7x+9y = 54 9y = 7x+54 y = 7/9x+6 which is now in slope-intercept form

(1, -1)

Subtract by 7x and divide by 2.

7x + 2 = 5,6

7x+2-2=16-27x = 147x/7 = 14/7x = 2

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-7x+9y = 54 9y = 7x+54 y = 7/9x+6 which is now in slope-intercept form

7x - 9y = -63.When y = 0 then the resultant answer provides the x intercept.7x - 0 = -63 : x = -9When x = 0 then the resultant answer provides the y intercept.0 - 9y = -63 : y = 7Alternatively, to ascertain the y intercept convert the equation into the form y = mx + c, c is the y intercept.7x - 9y = -63 : -9y = -7x -63 : 9y = 7x + 63 : y = 7/9x + 7

(1, -1)

7x - 9y = 35-3x + 6y = -15 (divide the second equation by 3, after that multiply it by 7)7x - 9y = 35-7x + 14y = -35 (add both equations)5y = 0 (divide both sides by 5)y = 07x - 9y = 35 (substitute 0 for y)7x = 35 (divide both sides by 7)x = 5Thus the solution of the given system of the equations is x = 5 and y = 0.

7x + y = 4y = 4 - 7x

9y subtract 11 equals 7

92y = 36 y = 36/92 = 9/23 Then: 9y = 81/23

Subtract by 7x and divide by 2.

7x + 2 = 5,6

7x-3=39 7x=42 x=6

40 -7x = -16 -7x = -16 -40 -7x = -56 x = 8

7x=42 x=42/7 or, x=6

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