Question

Which equations are equal to this equation? Select all that apply. 14(8x + 56) = 20 A. 56 + 8x = 80 B. 14 = 20 – 8x C. 2x + 14 = 5 D. 2x = 6

Answer 1

Option A
`56+8x=80`

Option D
`2x=6`

Explanation:

we have

`(1)/(4)(8x+56)=20`

Multiply by
`4` both sides

`(1)/(4)(8x+56)*4=20*4`

`(8x+56)=80`

Subtract
`56` both sides

`8x=80-56`

`8x=24` -------> is equivalent to
`2x=6`

`x=3`