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Algebra Review Questions w/ answers
Term 1
1. Solve and Check
a) x + 4 = 12 (8)
b) x + 10 = 15 (5)
c) x – 8 = 19 (27)
d) x – 13 = 4 (17)
e) 7x = 14 (2)
f) 4y = 16 (4)
g) x  7 = 6 (42)
h) r  3 = 13 (39)
a) x + 3 = 12 (9)
b) x + 6 = 15 (9)
c) x – 8 = 54 (62)
d) x – 9 = 43 (52)
e) 7x = 42 (6)
f) 4y = 52 (13)
g) x  7 = 11 (77)
h) r 3 = 25 (75)
2. Solve and Check
3. Evaluate the following.
a) 3y – 4, y=4 (9)
b) 5x + 6, x=2 (16)
c) 88  r + 14, r=2 (56)
d) 48  2y, y=3 (8)
4. Simplify the following.
a) 3x + 5x (8x)
b) 3 + 4y – 2y (3 + 2y)
d) 9t + 3 + 6t + 4u –3 (15t + 4u)
c) 6m – 2 – 3m + 5 (3m + 3)
e) 6y – 4 – 3y + 3 (3y – 1)
f) 8a – 5 – 4b – 2b + 3a (11a – 6b – 5)
5. Expand the following.
a) 3(x + 5) (3x + 15)
b) 6(2a – 5) (12a – 30)
d) 7(3s – 1) (21s – 7)
e) 4(8 + 4x – 3) (16x + 20)
c) 3(4m + 5n) (12m + 15n)
f) 5(4c – 2c + 9) (10c + 45)
g) 8(2f – 9g – 10h – f + 2h) (8f – 72g – 64h)
6. Solve for the unknown
a) 3x – 8 = 19 (x = 7)
b) 12 = 2(3 + x) (x = 3)
c) 7 + 6m – 3m + 5 = 45 (m = 11)