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Q: What is 4x plus 8 equals 20?

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If: 4x+(-12) = 8 then 4x = 20 and x = 5

8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3

4x+32=-4x+16x4x+32=12x-4x -4x32=8x/8 /84=x

x = 1 and y = 6 so the lines intersect at the point (1, 6)

9x + 8 = 4x + 23Subtract 8 from both sides9x = 4x + 15Subtract 4x from both sides5x = 15Divide both sides by 5x = 3

4x + 8 + 7x + 12 = 11x + 20

x=5

Add 12 to each side: 4x + 6x = 20 ie 10x = 20 so x = 2

4x+5=7x-8 the ansewr is 3.25

8 + 4x - x = 8 3x = 8 - 8 x = 0

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

X equals to 8

-6x-6 -or- -6(x+1)

8 + y = 4x8 + y - 4x = 4x - 4x 8 + y - 4x = 0 8 - 4x + y = 0

-4x - 8 = -2x + 12Add 4x to each side:-8 = 2x + 12Subtract 12 from each side:-20 = 2xDivide each side by 2:-10 = x

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

4x+13 = 21 4x = 21-13 4x = 8 x = 2

I am having difficulty understanding your question. 12 + 20 = 10 is obviously false (12 + 20 = 32).If 4x + 14 = 2x + 30, then x must equal 8.

8x+5=4x+13 4x=8 x=2 Therefore, your answer is 2.

Simplify 4x + 3 = 2x + 8 2x = 5 x =2½

That equals 1/4.

2x-8+4x=468+46=542x+4x=6x6x divided by 54 equals 9.:)Hope I Helped! :D

X= -8

4x - 8 = 12 + 6x 4x - 6x = 12 + 8 -2x = 20 -x = 20/2 x = -10 Check: 4(-10) - 8 = 12 + 6(-10) -40 - 8 = 12 + -60 -48 = -48

yes