Question

Solve for x and verify the result : 3(x+2) – 2(x-1) = 7​

Answer 1

Answer:

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Step-by-step explanation:

HERE IS YOUR ANSWER :-

3 ( x + 2 ) - 2 ( x - 1 ) = 7

=> 3x + 6 - 2x + 2 = 7

=> x + 8 = 7

=> x = 7 - 8

=> x = - 1

x = - 1

On L.H.S.

3 ( - 1 + 2 ) - 2 ( - 1 - 1 )

= 3 × 1 - 2 × ( - 2 )

= 3 + 4

= 7

= R.H.S.

Hence verified.

Answer 2

Answer:

Solution :

$3(x + 2) - 2(x - 1) = 7 \\ 3x + 6 - 2x + 2= 7 \\ x + 8 = 7 \\ x = 7 - 8 \\ x = -1$

Verification:

$3(-1+ 2) - 2(-1- 1) = 7 \\ 3(1) - 2( - 2) = 7 \\ 3+4 = 7 \\ 7 = 7$

Hence the answer is verified

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