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Solving Equations x+a = b and x-a = b by Rearranging Terms

Question 6 iv...

Question

Question 6 (iv)

Simplify the expression and find the value ifx is equal to 2:
4(2x - 1) + 3x + 11

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Solution

4(2x - 1) + 3x + 11 = 8x - 4 + 3x + 11 = 8x + 3x - 4 + 11
= 11x + 7 = (11 x 2) + 7 [Putting x = 2]
= 22 + 7 = 29

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Simplify the expressions and find the value if x is equal to 2

(i) x + 7 + 4 (x − 5) (ii) 3 (x + 2) + 5x − 7

(iii) 6x + 5 (x − 2) (iv) 4 (2x −1) + 3x + 11

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Solving Equations x+a = b and x-a = b by Rearranging Terms

Standard VI Mathematics

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