15=(1-m)-2(1-m)

Solution for 15=(1-m)-2(1-m) equation:

15=(1-m)-2(1-m)

We move all terms to the left:

15-((1-m)-2(1-m))=0

We add all the numbers together, and all the variables

-((-1m+1)-2(-1m+1))+15=0


We calculate terms in parentheses: -((-1m+1)-2(-1m+1)), so:

(-1m+1)-2(-1m+1)

We multiply parentheses

(-1m+1)+2m-2

We get rid of parentheses

-1m+2m+1-2

We add all the numbers together, and all the variables

m-1

Back to the equation:

-(m-1)


We get rid of parentheses

-m+1+15=0

We add all the numbers together, and all the variables

-1m+16=0

We move all terms containing m to the left, all other terms to the right

-m=-16

m=-16/-1

m=+16