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  • Simplify the expressions and find the value if x is equal to 2 (i) x + 7 + 4 (x - 5)

Q. 6.     Simplify the expressions and find the value if x is equal to 2

              (i)  x+7+4(x-5)

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\\x + 7 + 4( x - 5 ) \\= x + 7 + 4x - 20 \\= 5x - 13 \\= 5 \times 2 - 13 \\= 10 - 13 \\= -3

If x is equal to 2 the value of x + 7 + 4( x - 5 ) = -3

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