18 + 36 + 45 + 9 + 9 + 54 + 27 + 72 + 81 = 351
1/9 + 5/6 = 6/54 + 45/54 = 51/54 = 17/18 <-------------------------
6x + 18 = 54 6x = 54 - 18 6x = 36 x = 36 ÷6 x = 6
18 + 32 = 50 50 +2 = 52 52 + 2 = 54
18(2 + 3)
18 + 18 + 18 = 54
54
4x + 4 + 14 = 54 4x + 18 = 54 4x = 54 - 18 4x = 36 x = 36/4 x = 9 Check: 4(9) + 4 + 14 = 54 36 + 18 = 54 54 = 54
18 + 36 + 45 + 9 + 9 + 54 + 27 + 72 + 81 = 351
54
1/9 + 5/6 = 6/54 + 45/54 = 51/54 = 17/18 <-------------------------
6x + 18 = 54 6x = 54 - 18 6x = 36 x = 36 ÷6 x = 6
18 + 32 = 50 50 +2 = 52 52 + 2 = 54
18(2 + 3)
9x + 3y = -54 3y = -9x - 54 y = -(3x + 18) Therefore, the y-intercept of this equation is y=-18.
1/9 + 5/6 = 6/54 + 45/54 = 51/54 = 17/18
3x2 + 33x + 54 =3(x2 + 11x + 18) = 3(x + 9)(x + 2)