Question

Which equations are related equations to 13 + x = 29?

Select each correct answer.

29 + 13 = x

13=29−x

x=29−13

13−x=29

Answer 1

Solve the given equation:
13 + x = 29
Subtract 13 from both sides:
x = 16

Now look at each choice and solve for x.

A. 29 + 13 = x
x = 42

B. 13 = 29 - x
-16 = -x
x = 16

C. x = 29 - 13
x = 16

D. 13 - x = 29
-x = 16
x = -16

Choices B and C have the same solution as the given equation, so choices B and C are equivalent to the given equation.

Answer 2

`13=29-x`

`x=29-13`

Explanation:

Given equation is
`13 + x = 29`

Solve the given equation for x, subtract 13 from both sides

`x=16`

Now we solve each equation given for x

`29 + 13 = x`, x=42

`13=29-x`, subtract 29 from both sides

`-16=-x` divide both sides by -1

x=16

`x=29-13`, x= 16

`13-x=29` subtract 13 from both sides

`-x=16` divide both sides by -1

x=-16

Option B and C gives the same solution x=16