.3(15d+3c)-.5(8c-10d)=

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Solution for .3(15d+3c)-.5(8c-10d)= equation:


Simplifying
0.3(15d + 3c) + -0.5(8c + -10d) = 0

Reorder the terms:
0.3(3c + 15d) + -0.5(8c + -10d) = 0
(3c * 0.3 + 15d * 0.3) + -0.5(8c + -10d) = 0
(0.9c + 4.5d) + -0.5(8c + -10d) = 0
0.9c + 4.5d + (8c * -0.5 + -10d * -0.5) = 0
0.9c + 4.5d + (-4c + 5d) = 0

Reorder the terms:
0.9c + -4c + 4.5d + 5d = 0

Combine like terms: 0.9c + -4c = -3.1c
-3.1c + 4.5d + 5d = 0

Combine like terms: 4.5d + 5d = 9.5d
-3.1c + 9.5d = 0

Solving
-3.1c + 9.5d = 0

Solving for variable 'c'.

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

Add '-9.5d' to each side of the equation.
-3.1c + 9.5d + -9.5d = 0 + -9.5d

Combine like terms: 9.5d + -9.5d = 0.0
-3.1c + 0.0 = 0 + -9.5d
-3.1c = 0 + -9.5d
Remove the zero:
-3.1c = -9.5d

Divide each side by '-3.1'.
c = 3.064516129d

Simplifying
c = 3.064516129d

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