Question

The value x = 7 is a solution to all of the following equations except which? (1) x + 3 > 6 (3) 2(x + 1) = x + 9 (2) 3x – 1 = 2x + 3 (4) – 2x + 10 < 0​

Answer 1

Answer:

The value x = 7 is a solution to all of the following equations except:

(2) 3x – 1 = 2x + 3

Step-by-step explanation:

Plug the value of x=7 into the equations and find which one produces an answer that is NOT correct.

1) x + 3 > 6

(7)+3>6

10>6

Correct

(3) 2(x + 1) = x + 9

2((7)+1)=(7)+9

2(8)=7+9

16=16

Correct

(2) 3x – 1 = 2x + 3

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

21-1=14+3

20=17

Incorrect

(4) – 2x + 10 < 0​

-2(7)+10<0

-14+10<0

-4<0

Correct

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