4.05c+5.20(128-c)=581.65

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Solution for 4.05c+5.20(128-c)=581.65 equation:


Simplifying
4.05c + 5.20(128 + -1c) = 581.65
4.05c + (128 * 5.20 + -1c * 5.20) = 581.65
4.05c + (665.6 + -5.2c) = 581.65

Reorder the terms:
665.6 + 4.05c + -5.2c = 581.65

Combine like terms: 4.05c + -5.2c = -1.15c
665.6 + -1.15c = 581.65

Solving
665.6 + -1.15c = 581.65

Solving for variable 'c'.

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

Add '-665.6' to each side of the equation.
665.6 + -665.6 + -1.15c = 581.65 + -665.6

Combine like terms: 665.6 + -665.6 = 0.0
0.0 + -1.15c = 581.65 + -665.6
-1.15c = 581.65 + -665.6

Combine like terms: 581.65 + -665.6 = -83.95
-1.15c = -83.95

Divide each side by '-1.15'.
c = 73

Simplifying
c = 73

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