Write an equation and solve for the unknown number.
Twice a number, increased by 3 is 7.
(1 point)
Responses
The number is 2.
The number is 2.
The number is 8.
The number is 8.
The number is 20.
The number is 20.
The number is 5.
The number is 5.
Let's represent the unknown number as x.
Twice the number increased by 3 is equal to 7:
2x + 3 = 7
Subtracting 3 from both sides:
2x = 4
Dividing both sides by 2:
x = 2
So, the unknown number is 2.