40=7+2w

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Solution for 40=7+2w equation:


Simplifying
40 = 7 + 2w

Solving
40 = 7 + 2w

Solving for variable 'w'.

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

Add '-2w' to each side of the equation.
40 + -2w = 7 + 2w + -2w

Combine like terms: 2w + -2w = 0
40 + -2w = 7 + 0
40 + -2w = 7

Add '-40' to each side of the equation.
40 + -40 + -2w = 7 + -40

Combine like terms: 40 + -40 = 0
0 + -2w = 7 + -40
-2w = 7 + -40

Combine like terms: 7 + -40 = -33
-2w = -33

Divide each side by '-2'.
w = 16.5

Simplifying
w = 16.5

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