(4b+6)+7(-3+7b)=18

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Solution for (4b+6)+7(-3+7b)=18 equation:


Simplifying
(4b + 6) + 7(-3 + 7b) = 18

Reorder the terms:
(6 + 4b) + 7(-3 + 7b) = 18

Remove parenthesis around (6 + 4b)
6 + 4b + 7(-3 + 7b) = 18
6 + 4b + (-3 * 7 + 7b * 7) = 18
6 + 4b + (-21 + 49b) = 18

Reorder the terms:
6 + -21 + 4b + 49b = 18

Combine like terms: 6 + -21 = -15
-15 + 4b + 49b = 18

Combine like terms: 4b + 49b = 53b
-15 + 53b = 18

Solving
-15 + 53b = 18

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 53b = 18 + 15

Combine like terms: -15 + 15 = 0
0 + 53b = 18 + 15
53b = 18 + 15

Combine like terms: 18 + 15 = 33
53b = 33

Divide each side by '53'.
b = 0.6226415094

Simplifying
b = 0.6226415094

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