Q: If x equals 5 and y equals 5 then 8x plus 4y equals?

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8x + 3 = 50 8x = 47x = 47/8x= 5 and 7/8ths

5x+4y = -3 4y = -5x-3 y = -5/4 x - 3 Slope is -5/4.

8x + 6 = 3x - 4 8x = 3x - 4 - 6 8x = 3x - 10 8x - 3x = -10 5x = -10 5x/5 = -10 x = -10/5 x = -2

-8x + 5 - 3x = -6Combine the 'x' terms on the left side:-11x + 5 = -6Subtract 5 from each side:-11x = -11Divide each side by -11:x = 1

y=(8x).5 + (4x).5 = (2+2sqrt(2))x.5 y'=(1 + sqrt(2))/sqrt(x)

Related questions

8x plus 4y equals 5 is 8x + 4y = 5.

8x+4y=20 4y=-8x+20 y=-2x+5 f(x)=-2x+5

The two equations represent the same straight line.

They are perpendicular lines because the slopes are 3/4 and -4/3 respectively.

11-4y=-5 -4y=-16 y=4

(1, 1)

6.75

4y + 4 = 3y - 5 y = -9

6x = 32 - 4y and 4y - 8 = 6x so 32 - 4y = 4y - 8 ie 40 = 8y so y = 5 and x = 2

5

(-1, 5)

(-1, 5)