(20-x)-8=4x-49

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Solution for (20-x)-8=4x-49 equation:


Simplifying
(20 + -1x) + -8 = 4x + -49

Remove parenthesis around (20 + -1x)
20 + -1x + -8 = 4x + -49

Reorder the terms:
20 + -8 + -1x = 4x + -49

Combine like terms: 20 + -8 = 12
12 + -1x = 4x + -49

Reorder the terms:
12 + -1x = -49 + 4x

Solving
12 + -1x = -49 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
12 + -1x + -4x = -49 + 4x + -4x

Combine like terms: -1x + -4x = -5x
12 + -5x = -49 + 4x + -4x

Combine like terms: 4x + -4x = 0
12 + -5x = -49 + 0
12 + -5x = -49

Add '-12' to each side of the equation.
12 + -12 + -5x = -49 + -12

Combine like terms: 12 + -12 = 0
0 + -5x = -49 + -12
-5x = -49 + -12

Combine like terms: -49 + -12 = -61
-5x = -61

Divide each side by '-5'.
x = 12.2

Simplifying
x = 12.2

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