Question

Describe the solution steps of 20 + 4x = 16.

Answer 1

-1

Explanation:

number explanation

1. 20 + 4x = 16

-20 -20

2. 4x = -4

4 4

3. -4 divided by 4 = -1

word explanation

1.rewrite the problem

2. subtract 20 from 20 and subtract 20 from 16

all of the numbers subtract 20 except the number with the variable

3. 20 - 20 = 0

16 - 20 = -4 because you take the sign of the bigger number

4. you bring down 4x divided by 4 it gets crossed out then you do -4 divided by 4 and your answer is

negative 1

-1

Answer 2

Answer: -1

Solution:
20 + 4x = 16
Rearrange the terms

4x = 16 - 20
Calculate

4x = -4
Divide both sides

x = -4/4
Simplify

x = -1