z-7-13=-2
Move the negative in front of the fraction.
-z7-13=-2
Add 13 to both sides of the equation.
-z7=-2+13
Add -2 and 13.
-z7=11
-z7=11
Multiply both sides of the equation by -7.
-7⋅(-z7)=-7⋅11
Simplify -7⋅(-z7).
Cancel the common factor of 7.
Move the leading negative in -z7 into the numerator.
-7⋅-z7=-7⋅11
Factor 7 out of -7.
7(-1)⋅-z7=-7⋅11
Cancel the common factor.
7⋅-1⋅-z7=-7⋅11
Rewrite the expression.
-1⋅(-z)=-7⋅11
-1⋅(-z)=-7⋅11
Multiply.
Multiply -1 by -1.
1⋅z=-7⋅11
Multiply z by 1.
z=-7⋅11
z=-7⋅11
z=-7⋅11
Multiply -7 by 11.
z=-77
z=-77
Solve for z z/-7-13=-2
