5.5 x 6 x 7 = 231
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8x+7=55 8x=55-7 8x=48 x=48/8 x=6
49
8x+7=55 8x=55-7 [subtract 7 from both sides] 8x=48 x=48/8 [divide both sides by 8] x=6
8x + 7 = 55 Subtract 7 from both sides: 8x = 48 Divide both sides by 8: x = 6
x(0.07) = 55 x = 55 / (0.07) x = 785.7142857...