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Q: What is the answer to 5x-18 equals 4x plus 4?

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4x + 4 = 20 4x = 16 x = 4

x-intercept of y equals -4x plus 4 y = -4x + 4 0 = -4x + 4 -4 = -4x 1 = x So 1 is the x-intercept

Only if 4 dollars plus 4 dollars equals 8 dollars.And if you had another 4x, you'd have a dozen-x.

8x + 12 = 4x - 4 8x - 4x = -4 - 12 4x = -16 x = -4

You need to organise your question properly. 3x+2y=4 4x + 3y= 7? Is 4 4x = 44x or 4-4x or 4+4x How can there be 2 equal signs in 1 equation?

If: 3x+5 = 4x+1 Then: x = 4

-8x + 4 = -4x; (-8+4)x = -4; x = 1.

4

-4x + 8 = -4 -4x + 8 - 8 = -4 -8 -4x = -12 -4x/-4 = -12/-4 x = 3

Parallel, the slope of the second equation is 4

4x+9=25 4x=16 x=4

5x + (4 - 4x) = 05x + 4 - 4x = 0x + 4 = 0Subtract 4 from each side:x = -4

2y = 4x + 4y = 2x + 2

8x+2y=4x=-y/4+0.5y=-4x+2

4(1-4x+7y)

y=4

6x+4 = x+12+4x-6 6x-x-4x = 12-6-4 x = 2

8x+30=4x+18 -4x -4x 4x+30=18 -30 -30 4x=-12 4x/4=-12/4 x=-3

That equals 1/4.

The value of x is 2

x = 10

The slope is 4.

x=4

x(x+4) equals x2 plus 4x

4x + 1 = 4Subtract 1 from both sides:4x = 3Divide both sides by 4x = 3/4 or .75