Question

1
setup an equation for "nine added to twice a number is 13"
a) 2x + 9 = 13
b) 2x -9 = 13
c) 2x + 13 = 9
d) 2x -9/2 = 13​

Answer 1

Answer:

a)

Step-by-step explanation:

Let the number be x .

Therefore , according to given condition,

Twice of the number = 2x

Then, by adding nine ,i.e. +9 , we get the final answer as 13,

Therefore ,we get the final equation as

2x+9=13

Answer 2

Answer:

a

Step-by-step explanation:

twice of a number = 2x

then nine added = +9

finally we get 13

equation is 2x + 9= 13