80+.40b=30+.50

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Solution for 80+.40b=30+.50 equation:


Simplifying
80 + 0.40b = 30 + 0.50

Combine like terms: 30 + 0.50 = 30.5
80 + 0.40b = 30.5

Solving
80 + 0.40b = 30.5

Solving for variable 'b'.

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

Add '-80' to each side of the equation.
80 + -80 + 0.40b = 30.5 + -80

Combine like terms: 80 + -80 = 0
0 + 0.40b = 30.5 + -80
0.40b = 30.5 + -80

Combine like terms: 30.5 + -80 = -49.5
0.40b = -49.5

Divide each side by '0.40'.
b = -123.75

Simplifying
b = -123.75

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