21+d-56=71

Divide 2 by 1.

2+d-56=71

To write 2 as a fraction with a common denominator, multiply by 66.

2⋅66+d-56=71

Simplify terms.

Combine 2 and 66.

2⋅66+d-56=71

Combine the numerators over the common denominator.

2⋅6+d-56=71

2⋅6+d-56=71

Simplify the numerator.

Multiply 2 by 6.

12+d-56=71

Subtract 5 from 12.

d+76=71

d+76=71

d+76=71

Divide 7 by 1.

d+76=7

Multiply both sides of the equation by 6.

6⋅d+76=6⋅7

Cancel the common factor of 6.

Cancel the common factor.

6⋅d+76=6⋅7

Rewrite the expression.

d+7=6⋅7

d+7=6⋅7

Multiply 6 by 7.

d+7=42

d+7=42

Subtract 7 from both sides of the equation.

d=42-7

Subtract 7 from 42.

d=35

d=35

Solve for d 2/1+(d-5)/6=7/1