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Simplify the expressions and find the va...

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

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Let's simplify the expression step by step and find the value when \( x = 2 \). Given expression: \[ 3(x + 2) + 5x - 7 \] ### Step 1: Substitute the value of \( x \) Since \( x = 2 \), we will substitute \( 2 \) for \( x \) in the expression. \[ 3(2 + 2) + 5(2) - 7 \] ### Step 2: Simplify inside the parentheses Now, simplify the expression inside the parentheses: \[ 2 + 2 = 4 \] So, the expression becomes: \[ 3(4) + 5(2) - 7 \] ### Step 3: Multiply the constants Next, we will multiply: \[ 3 \times 4 = 12 \] \[ 5 \times 2 = 10 \] Now, substitute these values back into the expression: \[ 12 + 10 - 7 \] ### Step 4: Perform the addition and subtraction Now, we will add and subtract in the order they appear: First, add \( 12 + 10 \): \[ 12 + 10 = 22 \] Then, subtract \( 7 \): \[ 22 - 7 = 15 \] ### Final Answer The value of the expression when \( x = 2 \) is: \[ \boxed{15} \] ---
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MTG IIT JEE FOUNDATION-ALGEBRAIC EXPRESSIONS-NCERT SECTION (EXERCISE 11.3)
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  16. Simplify these expressions and find their values if x = 3, a = -1, b =...

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  17. If z = 10. find the value of z^(3) -3 (z - 10 ).

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  18. if p = -10. find the value of p^(2) - 2p - 100.

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