Solve for d -2.1d-38.3=2(7.4-4d)

Math
-2.1d-38.3=2(7.4-4d)
Simplify 2(7.4-4d).
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Apply the distributive property.
-2.1d-38.3=2⋅7.4+2(-4d)
Multiply.
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Multiply 2 by 7.4.
-2.1d-38.3=14.8+2(-4d)
Multiply -4 by 2.
-2.1d-38.3=14.8-8d
-2.1d-38.3=14.8-8d
-2.1d-38.3=14.8-8d
Move all terms containing d to the left side of the equation.
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Add 8d to both sides of the equation.
-2.1d-38.3+8d=14.8
Add -2.1d and 8d.
5.9d-38.3=14.8
5.9d-38.3=14.8
Move all terms not containing d to the right side of the equation.
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Add 38.3 to both sides of the equation.
5.9d=14.8+38.3
Add 14.8 and 38.3.
5.9d=53.1
5.9d=53.1
Divide each term by 5.9 and simplify.
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Divide each term in 5.9d=53.1 by 5.9.
5.9d5.9=53.15.9
Cancel the common factor of 5.9.
d=53.15.9
Divide 53.1 by 5.9.
d=9
d=9
Solve for d -2.1d-38.3=2(7.4-4d)

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