Question

seven added to twice a whole number gives 31​

Answer 1

Answer:

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• let the whole number be x
• 7 + 2x = 31
• 2x = 31-7
• 2x = 24
• x =12

Answer 2

Answer:

Step-by-step explanation:

Let the number be x

According to question,

7+2x=31

2x=31-7

2x=24

x=24/2

x=12

Checking:

Substute 12 in place of x

7+2(12)=31

7+24=31

31=31

LHS=RHS

Hence verified that x=12