-10w-9=18w+21

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Solution for -10w-9=18w+21 equation:


Simplifying
-10w + -9 = 18w + 21

Reorder the terms:
-9 + -10w = 18w + 21

Reorder the terms:
-9 + -10w = 21 + 18w

Solving
-9 + -10w = 21 + 18w

Solving for variable 'w'.

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

Add '-18w' to each side of the equation.
-9 + -10w + -18w = 21 + 18w + -18w

Combine like terms: -10w + -18w = -28w
-9 + -28w = 21 + 18w + -18w

Combine like terms: 18w + -18w = 0
-9 + -28w = 21 + 0
-9 + -28w = 21

Add '9' to each side of the equation.
-9 + 9 + -28w = 21 + 9

Combine like terms: -9 + 9 = 0
0 + -28w = 21 + 9
-28w = 21 + 9

Combine like terms: 21 + 9 = 30
-28w = 30

Divide each side by '-28'.
w = -1.071428571

Simplifying
w = -1.071428571

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