Answer:

Multiply/divide both sides by the same non-zero constant

Step-by-step explanation:

5x = 20

Divide each side by 5

5x/5 = 20/5

x = 4

285

Given that the number, 5,83_ has 2 as a factor.

It implies that the number 5,83_ is an even number

The number contains

5 thousands

8 hundreds

3 tens

? units

The possible units of an even number are 0, 2, 4, 6, and 8Therefore, the unknown digit could be 0, 2, 4, 6, or 8