X+9=4x 3 min test i need help like fast

x = -5

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation: x+9-(4)=0

Solve:  x+5 = 0

Subtract  5  from both sides of the equation:  x = -5

Hope this helps! Please mark as brainliest.

Thanks!

12

Step-by-step explanation:

in your last question you said x = 3, so to make it a little easier to see for me and you.

given : x + 9 = 4x

3 + 9 = 4(3)

3 + 9 = 12

4 x 3 = 12

12 = 12

took the test it's 94