-0.9=0.45(b+3)

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Solution for -0.9=0.45(b+3) equation:


Simplifying
-0.9 = 0.45(b + 3)

Reorder the terms:
-0.9 = 0.45(3 + b)
-0.9 = (3 * 0.45 + b * 0.45)
-0.9 = (1.35 + 0.45b)

Solving
-0.9 = 1.35 + 0.45b

Solving for variable 'b'.

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

Add '-0.45b' to each side of the equation.
-0.9 + -0.45b = 1.35 + 0.45b + -0.45b

Combine like terms: 0.45b + -0.45b = 0.00
-0.9 + -0.45b = 1.35 + 0.00
-0.9 + -0.45b = 1.35

Add '0.9' to each side of the equation.
-0.9 + 0.9 + -0.45b = 1.35 + 0.9

Combine like terms: -0.9 + 0.9 = 0.0
0.0 + -0.45b = 1.35 + 0.9
-0.45b = 1.35 + 0.9

Combine like terms: 1.35 + 0.9 = 2.25
-0.45b = 2.25

Divide each side by '-0.45'.
b = -5

Simplifying
b = -5

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