3(6b+7)=5(5b-4)

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Solution for 3(6b+7)=5(5b-4) equation:


Simplifying
3(6b + 7) = 5(5b + -4)

Reorder the terms:
3(7 + 6b) = 5(5b + -4)
(7 * 3 + 6b * 3) = 5(5b + -4)
(21 + 18b) = 5(5b + -4)

Reorder the terms:
21 + 18b = 5(-4 + 5b)
21 + 18b = (-4 * 5 + 5b * 5)
21 + 18b = (-20 + 25b)

Solving
21 + 18b = -20 + 25b

Solving for variable 'b'.

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

Add '-25b' to each side of the equation.
21 + 18b + -25b = -20 + 25b + -25b

Combine like terms: 18b + -25b = -7b
21 + -7b = -20 + 25b + -25b

Combine like terms: 25b + -25b = 0
21 + -7b = -20 + 0
21 + -7b = -20

Add '-21' to each side of the equation.
21 + -21 + -7b = -20 + -21

Combine like terms: 21 + -21 = 0
0 + -7b = -20 + -21
-7b = -20 + -21

Combine like terms: -20 + -21 = -41
-7b = -41

Divide each side by '-7'.
b = 5.857142857

Simplifying
b = 5.857142857

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