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Q: 7x2 plus 8x equals 12

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yes

16x-8x+12 = 78+22 16x-8x = 78+22-12 8x = 88 x = 11

(7x + 6)(x - 2)

Y-8x plus 9y equals 10y-8x.

28=8x+12-7x 28=8x-7x+12 28=x+12 28-12=x+12-12 16=x

The value of x is 2

x = -8, y = 10

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

It equals 8x+12

8x + -2 = 10 8x = 12 x = 1.5

the empty set.

X=5/12

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

x = -2 and y = 0

8x - 9 = 11x + 12 8x = 11x + 21 -3x = 21 x = -7

- 8x + 8x = 0 so question is meaningless.

8x-7 plus 2x equals 6 plus 5x plus 2?

No.

8x - 5 + 3x + 17 = 155% 11x + 12 = 1.55 11x = 1.55 - 12 = -10.45 x = - (10.45/11) = - 0.95

6x plus 3 equals 8x plus 14 when solved mathematically is equal to x = -5.5.

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

5x+49 = 8x+13 49-13 = 8x-5x 36 = 3x x = 12

(1, 1)

16x - 8x + 12 = 78 + 22 or simplified to (16x-8x=8x)(78+22=100) 8x + 12 = 100 Simplify some more (Subtract 12 from both sides) 8x = 88 Divide both sides by 8, and x = 11

x - 8x + 12 = 0-7x = -12x = 12/7