-7(2b+3)+(15b-9)=0

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Solution for -7(2b+3)+(15b-9)=0 equation:


Simplifying
-7(2b + 3) + (15b + -9) = 0

Reorder the terms:
-7(3 + 2b) + (15b + -9) = 0
(3 * -7 + 2b * -7) + (15b + -9) = 0
(-21 + -14b) + (15b + -9) = 0

Reorder the terms:
-21 + -14b + (-9 + 15b) = 0

Remove parenthesis around (-9 + 15b)
-21 + -14b + -9 + 15b = 0

Reorder the terms:
-21 + -9 + -14b + 15b = 0

Combine like terms: -21 + -9 = -30
-30 + -14b + 15b = 0

Combine like terms: -14b + 15b = 1b
-30 + 1b = 0

Solving
-30 + 1b = 0

Solving for variable 'b'.

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

Add '30' to each side of the equation.
-30 + 30 + 1b = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 1b = 0 + 30
1b = 0 + 30

Combine like terms: 0 + 30 = 30
1b = 30

Divide each side by '1'.
b = 30

Simplifying
b = 30

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