© 2007 1 -2010 tutorco.com 1. Find the value of unknown : a. 3t – 13 = 5 b. 8a + 20 = 4 c. x + 2 = 9 – x d. (x-2) = (x + 3) 7/6/5/S TOPIC: ALGEBRA © 2007 2 -2010 tutorco.com e. 4x + 16 = 25 f. x/3 = x + 6 g. 9 – 5x = -12 h. 6x – 8 = 4 – x © 2007 3 -2010 tutorco.com i. 20 × 24 + c = 496 j. Y + 23 × 17 = 399 k. f × (24 + 20) = 660
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