1) Make x the subject: y = x + 12 a) x = y + 12 b) x = y - 12 c) x = 12 - y d) x = y / 12 2) Make x the subject: y = 10x a) x = y / 10 b) x = 10 / y c) x = y - 10 d) x = y + 10 3) Make x the subject: y = 2x + 1 a) x = (y - 1) / 2 b) x = y / 2 - 1 c) x = y + 1 / 2 d) x = y - 1 / 2 4) Make x the subject: y = 3x - 4 a) x = (y + 4) / 3 b) x = y / 3 + 4 c) x = y - 4 / 3 d) x = y + 4 / 3 5) Make x the subject: y = 5x + 2 a) x = (y - 2) / 5 b) x = y / 5 - 2 c) x = y + 2 / 5 d) x = y - 2 / 5 6) Make x the subject: y = 4x - 3 a) x = (y + 3) / 4 b) x = y / 4 + 3 c) x = y - 3 / 4 d) x = y + 3 / 4 7) Make x the subject: y = 6x + 5 a) x = (y - 5) / 6 b) x = y / 6 - 5 c) x = y + 5 / 6 d) x = y - 5 / 6 8) Make x the subject: y = 7x - 2 a) x = (y + 2) / 7 b) x = y / 7 + 2 c) x = y - 2 / 7 d) x = y + 2 / 7 9) Make x the subject: y = (2x + 1) / 5 a) x = (5y - 1) / 2 b) x = 5y + 1 / 2 c) x = (y - 1) / 2 d) x = 5y - 1 / 2 10) Make x the subject: y = (3x - 4) / 2 a) x = (2y + 4) / 3 b) x = 2y - 4 / 3 c) x = (y + 4) / 3 d) x = 2y + 4 / 3 11) Make x the subject: y = (4x + 3) / 2 a) x = (2y - 3) / 4 b) x = 2y + 3 / 4 c) x = (y - 3) / 4 d) x = 2y - 3 / 4 12) Make x the subject: y = (5x - 2) / 3 a) x = (3y + 2) / 5 b) x = 3y - 2 / 5 c) x = (y + 2) / 5 d) x = 3y + 2 / 5 13) Make x the subject: y = (6x + 5) / 4 a) x = (4y - 5) / 6 b) x = 4y + 5 / 6 c) x = (y - 5) / 6 d) x = 4y - 5 / 6 14) Make x the subject: y = (7x - 3) / 5 a) x = (5y + 3) / 7 b) x = 5y - 3 / 7 c) x = (y + 3) / 7 d) x = 5y + 3 / 7 15) Make x the subject: y = (8x + 4) / 6 a) x = (6y - 4) / 8 b) x = 6y + 4 / 8 c) x = (y - 4) / 8 d) x = 6y - 4 / 8

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