x^2+7w-9=-21

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Solution for x^2+7w-9=-21 equation:


Simplifying
x2 + 7w + -9 = -21

Reorder the terms:
-9 + 7w + x2 = -21

Solving
-9 + 7w + x2 = -21

Solving for variable 'w'.

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

Add '9' to each side of the equation.
-9 + 7w + 9 + x2 = -21 + 9

Reorder the terms:
-9 + 9 + 7w + x2 = -21 + 9

Combine like terms: -9 + 9 = 0
0 + 7w + x2 = -21 + 9
7w + x2 = -21 + 9

Combine like terms: -21 + 9 = -12
7w + x2 = -12

Add '-1x2' to each side of the equation.
7w + x2 + -1x2 = -12 + -1x2

Combine like terms: x2 + -1x2 = 0
7w + 0 = -12 + -1x2
7w = -12 + -1x2

Divide each side by '7'.
w = -1.714285714 + -0.1428571429x2

Simplifying
w = -1.714285714 + -0.1428571429x2

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