7*x - 5 + 14 = 77*x + 9 = 77*x = -2x = -2/7x equals minus two sevenths
-9 * 7 - 14 = -63 - 14 = -77
1 x 154 2 x 77 7 x 22 11 x 14
GCF for 77 and 14 is 7.
-9x + 2y = 5 (1)7x + 7y = -4 (2)Mutiply first equation by 7 and second equation by 2-63 x + 14 y = 35 (3)14 x + 14 y = -8 (4)eq 4 minus eq 3 gives:77 x = - 43 accordingly x = - 43/77Substitute x in eq (1):-9 (-43/77) + 2y = 52y = 5 - (9)(43)/77 = (385-387)/77 = -2/77y = -1/77Answer: x = -43/77 and y = -1/77
7*x - 5 + 14 = 77*x + 9 = 77*x = -2x = -2/7x equals minus two sevenths
-9 * 7 - 14 = -63 - 14 = -77
1 x 154 2 x 77 7 x 22 11 x 14
1 x 154, 2 x 77, 7 x 22, 11 x 14 = 154
1 x 308, 2 x 154, 4 x 77, 7 x 44, 11 x 28, 14 x 22, 22 x 14, 28 x 11, 44 x 7, 77 x 4, 154 x 2, 308 x 1
The first ten positive integer multiples of 77 are: 1 x 77 = 77 2 x 77 = 154 3 x 77 = 231 4 x 77 = 308 5 x 77 = 385 6 x 77 = 462 7 x 77 = 539 8 x 77 = 616 9 x 77 = 693 10 x 77 = 770
GCF for 77 and 14 is 7.
7x11=77
-9x + 2y = 5 (1)7x + 7y = -4 (2)Mutiply first equation by 7 and second equation by 2-63 x + 14 y = 35 (3)14 x + 14 y = -8 (4)eq 4 minus eq 3 gives:77 x = - 43 accordingly x = - 43/77Substitute x in eq (1):-9 (-43/77) + 2y = 52y = 5 - (9)(43)/77 = (385-387)/77 = -2/77y = -1/77Answer: x = -43/77 and y = -1/77
1 x 154, 2 x 77, 7 x 22, 11 x 14.
14/77 = 2/11
14