(-21)=(-7/4)w

Solution for (-21)=(-7/4)w equation:

(-21)=(-7/4)w

We move all terms to the left:

(-21)-((-7/4)w)=0


Domain of the equation: 4)w)!=0

w!=0/1

w!=0

w∈R


We add all the numbers together, and all the variables

-((-7/4)w)-21=0

We multiply all the terms by the denominator


-((-7-21*4)w)=0


We calculate terms in parentheses: -((-7-21*4)w), so:

(-7-21*4)w

We add all the numbers together, and all the variables

(-91)w

We multiply parentheses

-91w

Back to the equation:

-(-91w)


We get rid of parentheses

91w=0

w=0/91

w=0

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