40=7-3w

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Solution for 40=7-3w equation:


Simplifying
40 = 7 + -3w

Solving
40 = 7 + -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.
40 + 3w = 7 + -3w + 3w

Combine like terms: -3w + 3w = 0
40 + 3w = 7 + 0
40 + 3w = 7

Add '-40' to each side of the equation.
40 + -40 + 3w = 7 + -40

Combine like terms: 40 + -40 = 0
0 + 3w = 7 + -40
3w = 7 + -40

Combine like terms: 7 + -40 = -33
3w = -33

Divide each side by '3'.
w = -11

Simplifying
w = -11

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