Question

write an equation for 'twice a number minus six equals the number plus seven​

Answer 1

Twice a number plus 7 is the same as three times the number plus five. Find the number

 

Call the unknown number x

 

twice a number plus 7:  2x + 7

is the same as:  =

three times the number plus 5:  3x + 5

 

Your equation is:

2x + 7 = 3x + 5

Subtract 2x from both sides

7 = x + 5

subtract 5 from both sides

2 = x

 

The number is 2

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