-6[b-3(2b-5)]+7=4b-5

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Solution for -6[b-3(2b-5)]+7=4b-5 equation:


Simplifying
-6[b + -3(2b + -5)] + 7 = 4b + -5

Reorder the terms:
-6[b + -3(-5 + 2b)] + 7 = 4b + -5
-6[b + (-5 * -3 + 2b * -3)] + 7 = 4b + -5
-6[b + (15 + -6b)] + 7 = 4b + -5

Reorder the terms:
-6[15 + b + -6b] + 7 = 4b + -5

Combine like terms: b + -6b = -5b
-6[15 + -5b] + 7 = 4b + -5
[15 * -6 + -5b * -6] + 7 = 4b + -5
[-90 + 30b] + 7 = 4b + -5

Reorder the terms:
-90 + 7 + 30b = 4b + -5

Combine like terms: -90 + 7 = -83
-83 + 30b = 4b + -5

Reorder the terms:
-83 + 30b = -5 + 4b

Solving
-83 + 30b = -5 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
-83 + 30b + -4b = -5 + 4b + -4b

Combine like terms: 30b + -4b = 26b
-83 + 26b = -5 + 4b + -4b

Combine like terms: 4b + -4b = 0
-83 + 26b = -5 + 0
-83 + 26b = -5

Add '83' to each side of the equation.
-83 + 83 + 26b = -5 + 83

Combine like terms: -83 + 83 = 0
0 + 26b = -5 + 83
26b = -5 + 83

Combine like terms: -5 + 83 = 78
26b = 78

Divide each side by '26'.
b = 3

Simplifying
b = 3

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