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Q: 10x plus 2y plus 8z-5x plus 4z-4y equals?

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x2 + 10x + 21 = (x + 3)(x + 7)

x + 13x + 10x = 50 - 6

10x + 3 = 15 10x = 15 - 3 10x = 12 x = 1.2

y=-10x-4

x=-1.6

6.28

5x + 4 = 10x - 5 10x - 5x = 4 + 5 5x = 9 x = 1.8

It is: x = 1.2

53

-10x+3 = -x+12 -10x+x = 12-3 -9x = 9 x = -1

10x+7 = 5x+32 10x-5x = 32-7 5x = 25 x = 5

6-x+12 = 10x+7 6+12-7 = 10x+x 11 = 11x x = 1

10x + 13 = 1710x = 17-1310x = 4x = 4/10x = 0.4

(3,21)

For a start you tell us what the expression equals....

X equals 6

10x + 17 = 4x - 16x = -18x = -3

-8 + 10x = 18 10x = 18+8 10x = 26 x = 26/10 x = 2.6

If: 10x+7 = 5x+22 Then: 10x-5x = 22-7 And: 5x = 15 So: x = 3

x=3

x = -3.27 or -6.73

If: 4y+10x = 16Then: 4y = -10x+16And: y = -2.5x+4

10x+7=(-3) 10x=(-10) x=(-1)ans

0

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