Question

How to solve this two-step-equation

Answer 1

M = 4

Explanation:

first change 100(1/5) to decimal form which is 100.2

then change 10(4/5) to decimal form which is -10.8

then start to solve...

take 100.2 and subtract it on both sides (57 - 100.2 = -43.2)

so you should now have -10.8m = -43.2

then take the -10.8 and divide on both sides (-43.2/-10.8 = 4)

so m = 4

Answer 2

Explanation:

`100(1)/(5) - 10(4)/(5)m = 57`

`(100*5+1)/(5) - (10*5+4)/(5)m = 57`

`(501)/(5) - (54)/(5)m = 57`

`(501 - 54)/(5)m = 57`

`(57*5)/(447)` = m

`(285)/(447)` = m