(11+20)11=(13+x)13

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Solution for (11+20)11=(13+x)13 equation:


Simplifying
(11 + 20) * 11 = (13 + x) * 13

Combine like terms: 11 + 20 = 31
(31) * 11 = (13 + x) * 13

Multiply 31 * 11
341 = (13 + x) * 13

Reorder the terms for easier multiplication:
341 = 13(13 + x)
341 = (13 * 13 + x * 13)
341 = (169 + 13x)

Solving
341 = 169 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
341 + -13x = 169 + 13x + -13x

Combine like terms: 13x + -13x = 0
341 + -13x = 169 + 0
341 + -13x = 169

Add '-341' to each side of the equation.
341 + -341 + -13x = 169 + -341

Combine like terms: 341 + -341 = 0
0 + -13x = 169 + -341
-13x = 169 + -341

Combine like terms: 169 + -341 = -172
-13x = -172

Divide each side by '-13'.
x = 13.23076923

Simplifying
x = 13.23076923

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