.4(d-10)-.67(d+6)=

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Solution for .4(d-10)-.67(d+6)= equation: 


Simplifying
0.4(d + -10) + -0.67(d + 6) = 0

Reorder the terms:
0.4(-10 + d) + -0.67(d + 6) = 0
(-10 * 0.4 + d * 0.4) + -0.67(d + 6) = 0
(-4 + 0.4d) + -0.67(d + 6) = 0

Reorder the terms:
-4 + 0.4d + -0.67(6 + d) = 0
-4 + 0.4d + (6 * -0.67 + d * -0.67) = 0
-4 + 0.4d + (-4.02 + -0.67d) = 0

Reorder the terms:
-4 + -4.02 + 0.4d + -0.67d = 0

Combine like terms: -4 + -4.02 = -8.02
-8.02 + 0.4d + -0.67d = 0

Combine like terms: 0.4d + -0.67d = -0.27d
-8.02 + -0.27d = 0

Solving
-8.02 + -0.27d = 0

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '8.02' to each side of the equation.
-8.02 + 8.02 + -0.27d = 0 + 8.02

Combine like terms: -8.02 + 8.02 = 0.00
0.00 + -0.27d = 0 + 8.02
-0.27d = 0 + 8.02

Combine like terms: 0 + 8.02 = 8.02
-0.27d = 8.02

Divide each side by '-0.27'.
d = -29.7037037

Simplifying
d = -29.7037037

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