1.5(b+2)+2b-9-15=90

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Solution for 1.5(b+2)+2b-9-15=90 equation:


Simplifying
1.5(b + 2) + 2b + -9 + -15 = 90

Reorder the terms:
1.5(2 + b) + 2b + -9 + -15 = 90
(2 * 1.5 + b * 1.5) + 2b + -9 + -15 = 90
(3 + 1.5b) + 2b + -9 + -15 = 90

Reorder the terms:
3 + -9 + -15 + 1.5b + 2b = 90

Combine like terms: 3 + -9 = -6
-6 + -15 + 1.5b + 2b = 90

Combine like terms: -6 + -15 = -21
-21 + 1.5b + 2b = 90

Combine like terms: 1.5b + 2b = 3.5b
-21 + 3.5b = 90

Solving
-21 + 3.5b = 90

Solving for variable 'b'.

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

Add '21' to each side of the equation.
-21 + 21 + 3.5b = 90 + 21

Combine like terms: -21 + 21 = 0
0 + 3.5b = 90 + 21
3.5b = 90 + 21

Combine like terms: 90 + 21 = 111
3.5b = 111

Divide each side by '3.5'.
b = 31.71428571

Simplifying
b = 31.71428571

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