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Simplify the expressions and find the value if x is equal to 2 (ii) 3 (x + 2) + 5x - 7

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

              (ii)  3(x+2)+5x-7

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S Sayak

\\3( x + 2 ) + 5x - 7 \\= 3x + 6 + 5x - 7 \\= 8x - 1 \\= 8 \times (2) - 1 \\= 16 - 1 \\= 15

If x is equal to 2 the value of 3( x + 2 ) + 5x - 7 = 15

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