12x - 14 = 5x
12x = 5x + 14
7x = 14
x = 2
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5x=11y
The value of x in the equation 5x+6=30 is 4.8.Check5x+6=305(4.8)+6=3024+6=3030=30
5x - 2y = 20The x-intercept of a line is the point where its y-value is 0. When y=0, we get 5x = 20, or x=4. This means the coordinates of the x-intercept on this line are (4,0).
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8x-10 = 9-5x Therefore: 8x + 5x = 9 + 10 13x = 19 x = 1 6/19. To solve we moved the x's to one side of the equation and the numbers (constants) to the other side. Then we could simplify to solve for the value of x.