Question
Solve the equation
d=4
Evaluate
8d−31(6−9d)=42
Simplify
More Steps

Evaluate
8d−31(6−9d)
Multiply the terms
More Steps

Evaluate
31(6−9d)
Apply the distributive property
31×6−31×9d
Multiply the numbers
2−31×9d
Multiply the numbers
2−3d
8d−(2−3d)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
8d−2+3d
Add the terms
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Evaluate
8d+3d
Collect like terms by calculating the sum or difference of their coefficients
(8+3)d
Add the numbers
11d
11d−2
11d−2=42
Move the constant to the right-hand side and change its sign
11d=42+2
Add the numbers
11d=44
Divide both sides
1111d=1144
Divide the numbers
d=1144
Solution
More Steps

Evaluate
1144
Reduce the numbers
14
Calculate
4
d=4
Show Solution
