8w+7=-9

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Solution for 8w+7=-9 equation: 


Simplifying
8w + 7 = -9

Reorder the terms:
7 + 8w = -9

Solving
7 + 8w = -9

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 + 8w = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 8w = -9 + -7
8w = -9 + -7

Combine like terms: -9 + -7 = -16
8w = -16

Divide each side by '8'.
w = -2

Simplifying
w = -2

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