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Q: 8x plus 5 equals 4x plus 13?

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8x + 9.16 = 4x + 16 8x - 4x = 16 - 9.16 4x = 6.84 x= 1.71

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

8x + 10 = 3x +145x = 4x = 4/5 = 0.8Improved answer:8x+10 = 4x+148x-4x = 14-104x = 4x = 1

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

8x-1 = -4x+23 8x+4x = 23+1 12x = 24 x = 2

4x + 3y = 8x + y so 3y - y = 8x - 4x ie 2y = 4x so y = 2x

4x+7-8x=17-4x+7=17-4x=10x = -5/2

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

4x + 7 - 8x = 17-4x + 7 = 17-4x = 24x = -6

no its not a solution

33

The value of x is 2

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

8x+5=4x+17 4x=12 subtract 4x from right and 5 from left x=3 divide both sides by 4

subtracting gives 4x = -12 so x = -3

4x+8x+3 = 12x+3

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

X=5/12

16x2 + 8x + 1 = 0 : This factorises to (4x + 1)(4x + 1) = 0 When 4x + 1 = 0 then 4x = -1 : x = -1/4.

8x-5=23+4x 8x-5-4x=23+4x-4x 4x-5=23 4x-5+5=23+5 4x=28 4x/4=28/4 x=7

8x-2x+4x=10x

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

x = -8, y = 10

3x-3x+4x^2+8x=4x^2+8x

8x + 5z - 4x + 3z + 6 = 8x - 4x + 5z + 3z - 6 = 4x + 8z - 6