W*w+7=638

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Solution for W*w+7=638 equation: 


Simplifying
W * w + 7 = 638

Multiply W * w
wW + 7 = 638

Reorder the terms:
7 + wW = 638

Solving
7 + wW = 638

Solving for variable 'w'.

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

Add '-7' to each side of the equation.
7 + -7 + wW = 638 + -7

Combine like terms: 7 + -7 = 0
0 + wW = 638 + -7
wW = 638 + -7

Combine like terms: 638 + -7 = 631
wW = 631

Divide each side by 'W'.
w = 631W-1

Simplifying
w = 631W-1

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