4x+5=91-8x

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Solution for 4x+5=91-8x equation:


Simplifying
4x + 5 = 91 + -8x

Reorder the terms:
5 + 4x = 91 + -8x

Solving
5 + 4x = 91 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
5 + 4x + 8x = 91 + -8x + 8x

Combine like terms: 4x + 8x = 12x
5 + 12x = 91 + -8x + 8x

Combine like terms: -8x + 8x = 0
5 + 12x = 91 + 0
5 + 12x = 91

Add '-5' to each side of the equation.
5 + -5 + 12x = 91 + -5

Combine like terms: 5 + -5 = 0
0 + 12x = 91 + -5
12x = 91 + -5

Combine like terms: 91 + -5 = 86
12x = 86

Divide each side by '12'.
x = 7.166666667

Simplifying
x = 7.166666667

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