x+8=-4
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-2 x -4 x -7 x -8 = 448
(7 - x/4) = 15 x/4 = 7 - 15 x/4 = -8 x = -32 Verification: 7 - ( -32/4) = 7 - (-8) = 7 + 8 = 15
7/8 > 4/5 ? (cross multiply)7 x 5 > 4 x 8 ?35 > 32So that 7/8 > 4/5.
7/8 / 3/4= 7/8 x 4/3== 7/6
4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 4 x 10 = 40 4 x 11 = 44 4 x 12 = 48 4 x 13 = 52 4 x 14 = 56 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 28 x 1 = 28 28 x 2 = 56 lcm of 4, 8, and 28 = 56