Solve for
we have
By cross multiplication, we have:
3[x - (7 - 8x)] = 2[9x - (3 + 4x)] 3x - 3(7 - 8x) = 2
9x -2(3 + 4x)
3x - 21 + 24x = 18x - 6 - 8x
3x + 24x - 18x + 8x = -6 + 21
35x - 18x = 15
17x = 15
A number is such that it is as much greater than 65 as it is less than 91. Find the number.
The numerator of a fraction is 2 less than the denominator. If 1 is added to its denominator, it becomes ½. Find the fraction.