1200=4+(c-1)*21+10+8

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Solution for 1200=4+(c-1)*21+10+8 equation:


Simplifying
1200 = 4 + (c + -1) * 21 + 10 + 8

Reorder the terms:
1200 = 4 + (-1 + c) * 21 + 10 + 8

Reorder the terms for easier multiplication:
1200 = 4 + 21(-1 + c) + 10 + 8
1200 = 4 + (-1 * 21 + c * 21) + 10 + 8
1200 = 4 + (-21 + 21c) + 10 + 8

Reorder the terms:
1200 = 4 + -21 + 10 + 8 + 21c

Combine like terms: 4 + -21 = -17
1200 = -17 + 10 + 8 + 21c

Combine like terms: -17 + 10 = -7
1200 = -7 + 8 + 21c

Combine like terms: -7 + 8 = 1
1200 = 1 + 21c

Solving
1200 = 1 + 21c

Solving for variable 'c'.

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

Add '-21c' to each side of the equation.
1200 + -21c = 1 + 21c + -21c

Combine like terms: 21c + -21c = 0
1200 + -21c = 1 + 0
1200 + -21c = 1

Add '-1200' to each side of the equation.
1200 + -1200 + -21c = 1 + -1200

Combine like terms: 1200 + -1200 = 0
0 + -21c = 1 + -1200
-21c = 1 + -1200

Combine like terms: 1 + -1200 = -1199
-21c = -1199

Divide each side by '-21'.
c = 57.0952381

Simplifying
c = 57.0952381

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