7(c-5d)-(3c+d)=

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Solution for 7(c-5d)-(3c+d)= equation:


Simplifying
7(c + -5d) + -1(3c + d) = 0
(c * 7 + -5d * 7) + -1(3c + d) = 0
(7c + -35d) + -1(3c + d) = 0
7c + -35d + (3c * -1 + d * -1) = 0
7c + -35d + (-3c + -1d) = 0

Reorder the terms:
7c + -3c + -35d + -1d = 0

Combine like terms: 7c + -3c = 4c
4c + -35d + -1d = 0

Combine like terms: -35d + -1d = -36d
4c + -36d = 0

Solving
4c + -36d = 0

Solving for variable 'c'.

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

Add '36d' to each side of the equation.
4c + -36d + 36d = 0 + 36d

Combine like terms: -36d + 36d = 0
4c + 0 = 0 + 36d
4c = 0 + 36d
Remove the zero:
4c = 36d

Divide each side by '4'.
c = 9d

Simplifying
c = 9d

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