7=-9+8b

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Solution for 7=-9+8b equation:


Simplifying
7 = -9 + 8b

Solving
7 = -9 + 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
7 + -8b = -9 + 8b + -8b

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

Add '-7' to each side of the equation.
7 + -7 + -8b = -9 + -7

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

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

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

Simplifying
b = 2

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