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No. x=3. (5x3 is 15 or 5x =15-3=12)

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Q: Is 7 a solution of 5x-3 equals 12?
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Is this a no solution 6x - 2y equals 4 -9 plus 3y equals 12?

(x, y) = (3, 7) is a solution.


Determind if the given numbers are solutions of the given equations. a equals 5 for a plus 7 equals 12?

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4(2x-3)+7=8x8x-12+7=8x-8x..........-8x-12+7=0+12.....+127=12-7...-7No Solution:0≠54(2x-3+7)=8x8x-12+28=8x-8x............8x-12+28=0+12.......+1228=12-28...-28No Solution: 0≠-16


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7


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5x3=4 2x8=2 6x3=3 1x7=7/40


True or false the eqation2x - 7 equals 5 plus x has exactly one solution?

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its 7!


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Find a solution of 1overx-1 plus 1overx equals 7over12?

Do you mean 1/x-1+1/x = 7/12? If so then the solution is: 2/x-1 = 7/12 Multiply all terms by 12: 24/x-12 = 7 Multiply all terms by x: 24-12x = 7x 24 = 7x+12x 24 = 19x Solution: x = 24/19