Algebra Worksheets - Complete Set With Answers Page 16
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72Equations With Parentheses - The proper procedure is remove all parentheses on both sides of
the equation and then to combine like terms before solving.
Example:
7 + 2(x - 4) = 6x - (5x + 10)
7 + 2x - 8 = 6x - 5x - 10
(parentheses removed)
2x - 1 = x - 10
(terms combined)
- x +1 = -x + 1
x = - 9
Solve:
1) 8 + 3(x + 2) = 4x - (2x + 5)
2) 2 +3(x + 6) = 11 - (5x + 15)
3) 3(x + 4) = 5 - (x - 11)
4) 8(x + 12) = 3(x - 18)
5) x - 4(x - 7) = 2(3x - 13)
6) 3(x - 3) + 3 = 3x - (3x - 3)
7) 7(3x + 1) = 3(2x + 8)
8) -1 + 8(8 - x) = 4 - (4 - x)
9) 9(2x + 3) = 3(x - 6)
10) 3 - 6(x - 3) = 4x + 3(x - 8)
11) 3x - 2(x - 7) = 3(2x - 3) - 7
12) 6x + 7(x - 2) = - 2(x - 5) - 11
13) 5x + 3(2x + 3) = 12 - (2x - 5)
14) 31 + 5(5x + 3) = 13 + 3(3x + 9)
15) 11(x - 2) = 22 - 2(7x - 3)
14
Supplementary Equations - 2.4
Solve:
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