42-2*7=w

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Solution for 42-2*7=w equation:


Simplifying
42 + -2 * 7 = w

Multiply -2 * 7
42 + -14 = w

Combine like terms: 42 + -14 = 28
28 = w

Solving
28 = w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
28 + -1w = w + -1w

Combine like terms: w + -1w = 0
28 + -1w = 0

Add '-28' to each side of the equation.
28 + -28 + -1w = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -1w = 0 + -28
-1w = 0 + -28

Combine like terms: 0 + -28 = -28
-1w = -28

Divide each side by '-1'.
w = 28

Simplifying
w = 28

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