11+21(11)=(13+c)13

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Solution for 11+21(11)=(13+c)13 equation:


Simplifying
11 + 21(11) = (13 + c) * 13

Multiply 21 * 11
11 + 231 = (13 + c) * 13

Combine like terms: 11 + 231 = 242
242 = (13 + c) * 13

Reorder the terms for easier multiplication:
242 = 13(13 + c)
242 = (13 * 13 + c * 13)
242 = (169 + 13c)

Solving
242 = 169 + 13c

Solving for variable 'c'.

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

Add '-13c' to each side of the equation.
242 + -13c = 169 + 13c + -13c

Combine like terms: 13c + -13c = 0
242 + -13c = 169 + 0
242 + -13c = 169

Add '-242' to each side of the equation.
242 + -242 + -13c = 169 + -242

Combine like terms: 242 + -242 = 0
0 + -13c = 169 + -242
-13c = 169 + -242

Combine like terms: 169 + -242 = -73
-13c = -73

Divide each side by '-13'.
c = 5.615384615

Simplifying
c = 5.615384615

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