-9(2b+7)+9=-15b+6

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Solution for -9(2b+7)+9=-15b+6 equation:


Simplifying
-9(2b + 7) + 9 = -15b + 6

Reorder the terms:
-9(7 + 2b) + 9 = -15b + 6
(7 * -9 + 2b * -9) + 9 = -15b + 6
(-63 + -18b) + 9 = -15b + 6

Reorder the terms:
-63 + 9 + -18b = -15b + 6

Combine like terms: -63 + 9 = -54
-54 + -18b = -15b + 6

Reorder the terms:
-54 + -18b = 6 + -15b

Solving
-54 + -18b = 6 + -15b

Solving for variable 'b'.

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

Add '15b' to each side of the equation.
-54 + -18b + 15b = 6 + -15b + 15b

Combine like terms: -18b + 15b = -3b
-54 + -3b = 6 + -15b + 15b

Combine like terms: -15b + 15b = 0
-54 + -3b = 6 + 0
-54 + -3b = 6

Add '54' to each side of the equation.
-54 + 54 + -3b = 6 + 54

Combine like terms: -54 + 54 = 0
0 + -3b = 6 + 54
-3b = 6 + 54

Combine like terms: 6 + 54 = 60
-3b = 60

Divide each side by '-3'.
b = -20

Simplifying
b = -20

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