0.4b+9=-10

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Solution for 0.4b+9=-10 equation: 


Simplifying
0.4b + 9 = -10

Reorder the terms:
9 + 0.4b = -10

Solving
9 + 0.4b = -10

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 + 0.4b = -10 + -9

Combine like terms: 9 + -9 = 0
0 + 0.4b = -10 + -9
0.4b = -10 + -9

Combine like terms: -10 + -9 = -19
0.4b = -19

Divide each side by '0.4'.
b = -47.5

Simplifying
b = -47.5

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