42=3w-15

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Solution for 42=3w-15 equation:


Simplifying
42 = 3w + -15

Reorder the terms:
42 = -15 + 3w

Solving
42 = -15 + 3w

Solving for variable 'w'.

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

Add '-3w' to each side of the equation.
42 + -3w = -15 + 3w + -3w

Combine like terms: 3w + -3w = 0
42 + -3w = -15 + 0
42 + -3w = -15

Add '-42' to each side of the equation.
42 + -42 + -3w = -15 + -42

Combine like terms: 42 + -42 = 0
0 + -3w = -15 + -42
-3w = -15 + -42

Combine like terms: -15 + -42 = -57
-3w = -57

Divide each side by '-3'.
w = 19

Simplifying
w = 19

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