2+5(3b+9)-9=

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Solution for 2+5(3b+9)-9= equation:


Simplifying
2 + 5(3b + 9) + -9 = 0

Reorder the terms:
2 + 5(9 + 3b) + -9 = 0
2 + (9 * 5 + 3b * 5) + -9 = 0
2 + (45 + 15b) + -9 = 0

Reorder the terms:
2 + 45 + -9 + 15b = 0

Combine like terms: 2 + 45 = 47
47 + -9 + 15b = 0

Combine like terms: 47 + -9 = 38
38 + 15b = 0

Solving
38 + 15b = 0

Solving for variable 'b'.

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

Add '-38' to each side of the equation.
38 + -38 + 15b = 0 + -38

Combine like terms: 38 + -38 = 0
0 + 15b = 0 + -38
15b = 0 + -38

Combine like terms: 0 + -38 = -38
15b = -38

Divide each side by '15'.
b = -2.533333333

Simplifying
b = -2.533333333

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