7=3-4w

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Solution for 7=3-4w equation:


Simplifying
7 = 3 + -4w

Solving
7 = 3 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
7 + 4w = 3 + -4w + 4w

Combine like terms: -4w + 4w = 0
7 + 4w = 3 + 0
7 + 4w = 3

Add '-7' to each side of the equation.
7 + -7 + 4w = 3 + -7

Combine like terms: 7 + -7 = 0
0 + 4w = 3 + -7
4w = 3 + -7

Combine like terms: 3 + -7 = -4
4w = -4

Divide each side by '4'.
w = -1

Simplifying
w = -1

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