-(3b-15)=6(3b+5)

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Solution for -(3b-15)=6(3b+5) equation:


Simplifying
-1(3b + -15) = 6(3b + 5)

Reorder the terms:
-1(-15 + 3b) = 6(3b + 5)
(-15 * -1 + 3b * -1) = 6(3b + 5)
(15 + -3b) = 6(3b + 5)

Reorder the terms:
15 + -3b = 6(5 + 3b)
15 + -3b = (5 * 6 + 3b * 6)
15 + -3b = (30 + 18b)

Solving
15 + -3b = 30 + 18b

Solving for variable 'b'.

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

Add '-18b' to each side of the equation.
15 + -3b + -18b = 30 + 18b + -18b

Combine like terms: -3b + -18b = -21b
15 + -21b = 30 + 18b + -18b

Combine like terms: 18b + -18b = 0
15 + -21b = 30 + 0
15 + -21b = 30

Add '-15' to each side of the equation.
15 + -15 + -21b = 30 + -15

Combine like terms: 15 + -15 = 0
0 + -21b = 30 + -15
-21b = 30 + -15

Combine like terms: 30 + -15 = 15
-21b = 15

Divide each side by '-21'.
b = -0.7142857143

Simplifying
b = -0.7142857143

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