90=(6w-4)+40

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Solution for 90=(6w-4)+40 equation:


Simplifying
90 = (6w + -4) + 40

Reorder the terms:
90 = (-4 + 6w) + 40

Remove parenthesis around (-4 + 6w)
90 = -4 + 6w + 40

Reorder the terms:
90 = -4 + 40 + 6w

Combine like terms: -4 + 40 = 36
90 = 36 + 6w

Solving
90 = 36 + 6w

Solving for variable 'w'.

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

Add '-6w' to each side of the equation.
90 + -6w = 36 + 6w + -6w

Combine like terms: 6w + -6w = 0
90 + -6w = 36 + 0
90 + -6w = 36

Add '-90' to each side of the equation.
90 + -90 + -6w = 36 + -90

Combine like terms: 90 + -90 = 0
0 + -6w = 36 + -90
-6w = 36 + -90

Combine like terms: 36 + -90 = -54
-6w = -54

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

Simplifying
w = 9

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