Question

8x+21=3 need the answer please

Answer 1

`x=-(9)/(4)`

Explanation:

Step 1: Subtract 21 from both sides

`8x + 21 = 3`

`8x + 21 - 21 = 3 - 21`

`8x = -18`

Step 2: Divide 8 from both sides

`8x = -18`

`(8x)/(8)=-(18)/(8)`

`x=-(9)/(4)`

Answer:
`x=-(9)/(4)`