6x + 18 = 54
6x = 54 - 18
6x = 36
x = 36 ÷6
x = 6
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Solving by the elimination method: x = 7 and y = 2
9x + 3y = -54 3y = -9x - 54 y = -(3x + 18) Therefore, the y-intercept of this equation is y=-18.
54 + 560 + 90 = 704
51/54 equals 17/18
93