b+3.2b+(b+45)+90+2b-90=

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Solution for b+3.2b+(b+45)+90+2b-90= equation:


Simplifying
b + 3.2b + (b + 45) + 90 + 2b + -90 = 0

Reorder the terms:
b + 3.2b + (45 + b) + 90 + 2b + -90 = 0

Remove parenthesis around (45 + b)
b + 3.2b + 45 + b + 90 + 2b + -90 = 0

Reorder the terms:
45 + 90 + -90 + b + 3.2b + b + 2b = 0

Combine like terms: 45 + 90 = 135
135 + -90 + b + 3.2b + b + 2b = 0

Combine like terms: 135 + -90 = 45
45 + b + 3.2b + b + 2b = 0

Combine like terms: b + 3.2b = 4.2b
45 + 4.2b + b + 2b = 0

Combine like terms: 4.2b + b = 5.2b
45 + 5.2b + 2b = 0

Combine like terms: 5.2b + 2b = 7.2b
45 + 7.2b = 0

Solving
45 + 7.2b = 0

Solving for variable 'b'.

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

Add '-45' to each side of the equation.
45 + -45 + 7.2b = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 7.2b = 0 + -45
7.2b = 0 + -45

Combine like terms: 0 + -45 = -45
7.2b = -45

Divide each side by '7.2'.
b = -6.25

Simplifying
b = -6.25

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