90+(8x-1)+(4x-7)=180

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Solution for 90+(8x-1)+(4x-7)=180 equation:


Simplifying
90 + (8x + -1) + (4x + -7) = 180

Reorder the terms:
90 + (-1 + 8x) + (4x + -7) = 180

Remove parenthesis around (-1 + 8x)
90 + -1 + 8x + (4x + -7) = 180

Reorder the terms:
90 + -1 + 8x + (-7 + 4x) = 180

Remove parenthesis around (-7 + 4x)
90 + -1 + 8x + -7 + 4x = 180

Reorder the terms:
90 + -1 + -7 + 8x + 4x = 180

Combine like terms: 90 + -1 = 89
89 + -7 + 8x + 4x = 180

Combine like terms: 89 + -7 = 82
82 + 8x + 4x = 180

Combine like terms: 8x + 4x = 12x
82 + 12x = 180

Solving
82 + 12x = 180

Solving for variable 'x'.

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

Add '-82' to each side of the equation.
82 + -82 + 12x = 180 + -82

Combine like terms: 82 + -82 = 0
0 + 12x = 180 + -82
12x = 180 + -82

Combine like terms: 180 + -82 = 98
12x = 98

Divide each side by '12'.
x = 8.166666667

Simplifying
x = 8.166666667

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