2+8b+7=4

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Solution for 2+8b+7=4 equation: 


Simplifying
2 + 8b + 7 = 4

Reorder the terms:
2 + 7 + 8b = 4

Combine like terms: 2 + 7 = 9
9 + 8b = 4

Solving
9 + 8b = 4

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + 8b = 4 + -9

Combine like terms: 9 + -9 = 0
0 + 8b = 4 + -9
8b = 4 + -9

Combine like terms: 4 + -9 = -5
8b = -5

Divide each side by '8'.
b = -0.625

Simplifying
b = -0.625

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