130=55+(15+6)w

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Solution for 130=55+(15+6)w equation:


Simplifying
130 = 55 + (15 + 6) * w

Combine like terms: 15 + 6 = 21
130 = 55 + (21) * w

Solving
130 = 55 + 21w

Solving for variable 'w'.

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

Add '-21w' to each side of the equation.
130 + -21w = 55 + 21w + -21w

Combine like terms: 21w + -21w = 0
130 + -21w = 55 + 0
130 + -21w = 55

Add '-130' to each side of the equation.
130 + -130 + -21w = 55 + -130

Combine like terms: 130 + -130 = 0
0 + -21w = 55 + -130
-21w = 55 + -130

Combine like terms: 55 + -130 = -75
-21w = -75

Divide each side by '-21'.
w = 3.571428571

Simplifying
w = 3.571428571

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