Question

7+4x=9x-13
Answer the following
Simplify

Answer 1

Answer:

7 + 4x = 9x - 13

7 + 13 = 9x - 4x

20 = 5x

x = 20/5

x = 4

Answer 2

Answer:

7+4x=-9x-13

We move all terms to the left:

7+4x-(-9x-13)=0

We get rid of parentheses

4x+9x+13+7=0

We add all the numbers together, and all the variables

13x+20=0

We move all terms containing x to the left, all other terms to the right

13x=-20

x=-20/13

x=-1+7/13