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Q: What is 7 plus 8x 6 equals?

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

DIE

8x+7=55 8x=55-7 8x=48 x=48/8 x=6

X=6

5x+1+x-2 = 8x+6 5x+x-8x = 6+2-1 -2x = 7 x = -3.5

8x + 7 = 55 Subtract 7 from both sides: 8x = 48 Divide both sides by 8: x = 6

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

x=7 and y=4

7y+ 8x + 4= 20 + 8x- 8x - 8x7y + 4 = 20- 4 - 47y=16/7 /7y= 2.28the /7 means divide by 7 :)

8x+7=55 8x=55-7 [subtract 7 from both sides] 8x=48 x=48/8 [divide both sides by 8] x=6

53

x=1

7.75 or 7 and 3/4

12

8x-4 = -7+5x 8x-5x = -7+4 3x = -3 x = -1

If: y = 8x+7 then the y intercept is 7 and the slope is 8

74

-8x-6y=-18

Change all signs, from -7 + 8x + 41 = 90 to +7 - 8x - 41 = -90

5

8x + 3 = 50 8x = 47x = 47/8x= 5 and 7/8ths

Solving by the elimination method: x = 7 and y = 2

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

x=-0.7

7+8x-5 = 8x+7-5x Subtract 7 from both sides: 8x-5 = 8x-5x Subtract 8x from both sides: -5 = -5x Divide both sides by -5: x = 1 So the equation implies x = 1