2b-9+1.5b+3+15=90

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Solution for 2b-9+1.5b+3+15=90 equation:


Simplifying
2b + -9 + 1.5b + 3 + 15 = 90

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

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

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

Combine like terms: 2b + 1.5b = 3.5b
9 + 3.5b = 90

Solving
9 + 3.5b = 90

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 + 3.5b = 90 + -9

Combine like terms: 9 + -9 = 0
0 + 3.5b = 90 + -9
3.5b = 90 + -9

Combine like terms: 90 + -9 = 81
3.5b = 81

Divide each side by '3.5'.
b = 23.14285714

Simplifying
b = 23.14285714

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