Question

Solve 7x -4 = 5x + 15 for x.

19/12

11/2

19/2

Answer 1

Third option

Explanation:

Given the following question:


`7x-4=5x+15`

To find the answer we need to use inverse of operations to simplify the equation in till we isolate the variable and find the value of x.


`7x-4=5x+15`

`-4+4=0`

`15+4=19`

`7x=5x+19`

`5x-5x=0`

`7x-5x=2x`

`2x=19`

`2x/2=x`

`19/2=(19)/(2)`

`=(19)/(2)`

Your answer is the third option or "19/2."

Hope this helps.