58⋅(7-15)=4r+4

Rewrite the equation as 4r+4=58⋅(7-15).

4r+4=58⋅(7-15)

Subtract 15 from 7.

4r+4=58⋅-8

Cancel the common factor of 8.

Factor 8 out of -8.

4r+4=58⋅(8(-1))

Cancel the common factor.

4r+4=58⋅(8⋅-1)

Rewrite the expression.

4r+4=5⋅-1

4r+4=5⋅-1

Multiply 5 by -1.

4r+4=-5

4r+4=-5

Subtract 4 from both sides of the equation.

4r=-5-4

Subtract 4 from -5.

4r=-9

4r=-9

Divide each term in 4r=-9 by 4.

4r4=-94

Cancel the common factor of 4.

Cancel the common factor.

4r4=-94

Divide r by 1.

r=-94

r=-94

Move the negative in front of the fraction.

r=-94

r=-94

The result can be shown in multiple forms.

Exact Form:

r=-94

Decimal Form:

r=-2.25

Mixed Number Form:

r=-214

Solve for r 5/8*(7-15)=4r+4