-4b+3(2b-5)=31

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Solution for -4b+3(2b-5)=31 equation: 


Simplifying
-4b + 3(2b + -5) = 31

Reorder the terms:
-4b + 3(-5 + 2b) = 31
-4b + (-5 * 3 + 2b * 3) = 31
-4b + (-15 + 6b) = 31

Reorder the terms:
-15 + -4b + 6b = 31

Combine like terms: -4b + 6b = 2b
-15 + 2b = 31

Solving
-15 + 2b = 31

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 + 2b = 31 + 15

Combine like terms: -15 + 15 = 0
0 + 2b = 31 + 15
2b = 31 + 15

Combine like terms: 31 + 15 = 46
2b = 46

Divide each side by '2'.
b = 23

Simplifying
b = 23

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