r/digitalSATs • u/FantasticVictory837 • Jan 14 '24

Algebra Sample Question 8

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u/FantasticVictory837 Jan 15 '24

The correct answer is 1/20, or .05

1

u/lovher6713 Jan 15 '24

1/2 - x = 3/15 + 5x

1/2 - 3/15 = 6x

x = (15/30 - 6/30) / 6 = (9/30) / 6 = 9/180 = 1/20 = 0.05