-3[7-(3b+4)]+5=2(5+b)

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Solution for -3[7-(3b+4)]+5=2(5+b) equation:


Simplifying
-3[7 + -1(3b + 4)] + 5 = 2(5 + b)

Reorder the terms:
-3[7 + -1(4 + 3b)] + 5 = 2(5 + b)
-3[7 + (4 * -1 + 3b * -1)] + 5 = 2(5 + b)
-3[7 + (-4 + -3b)] + 5 = 2(5 + b)

Combine like terms: 7 + -4 = 3
-3[3 + -3b] + 5 = 2(5 + b)
[3 * -3 + -3b * -3] + 5 = 2(5 + b)
[-9 + 9b] + 5 = 2(5 + b)

Reorder the terms:
-9 + 5 + 9b = 2(5 + b)

Combine like terms: -9 + 5 = -4
-4 + 9b = 2(5 + b)
-4 + 9b = (5 * 2 + b * 2)
-4 + 9b = (10 + 2b)

Solving
-4 + 9b = 10 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-4 + 9b + -2b = 10 + 2b + -2b

Combine like terms: 9b + -2b = 7b
-4 + 7b = 10 + 2b + -2b

Combine like terms: 2b + -2b = 0
-4 + 7b = 10 + 0
-4 + 7b = 10

Add '4' to each side of the equation.
-4 + 4 + 7b = 10 + 4

Combine like terms: -4 + 4 = 0
0 + 7b = 10 + 4
7b = 10 + 4

Combine like terms: 10 + 4 = 14
7b = 14

Divide each side by '7'.
b = 2

Simplifying
b = 2

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