c+4=0.4(c+20)

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Solution for c+4=0.4(c+20) equation:


Simplifying
c + 4 = 0.4(c + 20)

Reorder the terms:
4 + c = 0.4(c + 20)

Reorder the terms:
4 + c = 0.4(20 + c)
4 + c = (20 * 0.4 + c * 0.4)
4 + c = (8 + 0.4c)

Solving
4 + c = 8 + 0.4c

Solving for variable 'c'.

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

Add '-0.4c' to each side of the equation.
4 + c + -0.4c = 8 + 0.4c + -0.4c

Combine like terms: c + -0.4c = 0.6c
4 + 0.6c = 8 + 0.4c + -0.4c

Combine like terms: 0.4c + -0.4c = 0.0
4 + 0.6c = 8 + 0.0
4 + 0.6c = 8

Add '-4' to each side of the equation.
4 + -4 + 0.6c = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 0.6c = 8 + -4
0.6c = 8 + -4

Combine like terms: 8 + -4 = 4
0.6c = 4

Divide each side by '0.6'.
c = 6.666666667

Simplifying
c = 6.666666667

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