2(7.5c+4.5)+2(2.5c-8)=803

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Solution for 2(7.5c+4.5)+2(2.5c-8)=803 equation:


Simplifying
2(7.5c + 4.5) + 2(2.5c + -8) = 803

Reorder the terms:
2(4.5 + 7.5c) + 2(2.5c + -8) = 803
(4.5 * 2 + 7.5c * 2) + 2(2.5c + -8) = 803
(9 + 15c) + 2(2.5c + -8) = 803

Reorder the terms:
9 + 15c + 2(-8 + 2.5c) = 803
9 + 15c + (-8 * 2 + 2.5c * 2) = 803
9 + 15c + (-16 + 5c) = 803

Reorder the terms:
9 + -16 + 15c + 5c = 803

Combine like terms: 9 + -16 = -7
-7 + 15c + 5c = 803

Combine like terms: 15c + 5c = 20c
-7 + 20c = 803

Solving
-7 + 20c = 803

Solving for variable 'c'.

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

Add '7' to each side of the equation.
-7 + 7 + 20c = 803 + 7

Combine like terms: -7 + 7 = 0
0 + 20c = 803 + 7
20c = 803 + 7

Combine like terms: 803 + 7 = 810
20c = 810

Divide each side by '20'.
c = 40.5

Simplifying
c = 40.5

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