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

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


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

Reorder the terms:
3(-5 + 2b) + -1b = 4 + -1(3b + 7)
(-5 * 3 + 2b * 3) + -1b = 4 + -1(3b + 7)
(-15 + 6b) + -1b = 4 + -1(3b + 7)

Combine like terms: 6b + -1b = 5b
-15 + 5b = 4 + -1(3b + 7)

Reorder the terms:
-15 + 5b = 4 + -1(7 + 3b)
-15 + 5b = 4 + (7 * -1 + 3b * -1)
-15 + 5b = 4 + (-7 + -3b)

Combine like terms: 4 + -7 = -3
-15 + 5b = -3 + -3b

Solving
-15 + 5b = -3 + -3b

Solving for variable 'b'.

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

Add '3b' to each side of the equation.
-15 + 5b + 3b = -3 + -3b + 3b

Combine like terms: 5b + 3b = 8b
-15 + 8b = -3 + -3b + 3b

Combine like terms: -3b + 3b = 0
-15 + 8b = -3 + 0
-15 + 8b = -3

Add '15' to each side of the equation.
-15 + 15 + 8b = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 8b = -3 + 15
8b = -3 + 15

Combine like terms: -3 + 15 = 12
8b = 12

Divide each side by '8'.
b = 1.5

Simplifying
b = 1.5

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