Question

4) -16 - 10x = 4(1 - 5x)

Answer 1

To solve this question first open the brackets on the right-hand side

`4(1-5x)=4-20x`

Then re-write the equation as

`-16-10x=4-20x`

Collect the like terms,the terms with x's and those with no x's

`-16-4=-20x+10x\text{ }`

Apply addition

`-20=-10x`

Apply division by dividing both sides of the equation by -10 to get the value of x

`(-20)/(-10)=(-10x)/(-10)`
`2=x`

The answer is x=2