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Simplifying
7 = 7w2
Solving
7 = 7w2
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Add '-7w2' to each side of the equation.
7 + -7w2 = 7w2 + -7w2
Combine like terms: 7w2 + -7w2 = 0
7 + -7w2 = 0
Add '-7' to each side of the equation.
7 + -7 + -7w2 = 0 + -7
Combine like terms: 7 + -7 = 0
0 + -7w2 = 0 + -7
-7w2 = 0 + -7
Combine like terms: 0 + -7 = -7
-7w2 = -7
Divide each side by '-7'.
w2 = 1
Simplifying
w2 = 1
Take the square root of each side:
w = {-1, 1}
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