91-(4x+13)=4(x+6)+x

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Solution for 91-(4x+13)=4(x+6)+x equation:


Simplifying
91 + -1(4x + 13) = 4(x + 6) + x

Reorder the terms:
91 + -1(13 + 4x) = 4(x + 6) + x
91 + (13 * -1 + 4x * -1) = 4(x + 6) + x
91 + (-13 + -4x) = 4(x + 6) + x

Combine like terms: 91 + -13 = 78
78 + -4x = 4(x + 6) + x

Reorder the terms:
78 + -4x = 4(6 + x) + x
78 + -4x = (6 * 4 + x * 4) + x
78 + -4x = (24 + 4x) + x

Combine like terms: 4x + x = 5x
78 + -4x = 24 + 5x

Solving
78 + -4x = 24 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
78 + -4x + -5x = 24 + 5x + -5x

Combine like terms: -4x + -5x = -9x
78 + -9x = 24 + 5x + -5x

Combine like terms: 5x + -5x = 0
78 + -9x = 24 + 0
78 + -9x = 24

Add '-78' to each side of the equation.
78 + -78 + -9x = 24 + -78

Combine like terms: 78 + -78 = 0
0 + -9x = 24 + -78
-9x = 24 + -78

Combine like terms: 24 + -78 = -54
-9x = -54

Divide each side by '-9'.
x = 6

Simplifying
x = 6

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