-5+2(10b-2)=31

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Solution for -5+2(10b-2)=31 equation: 


Simplifying
-5 + 2(10b + -2) = 31

Reorder the terms:
-5 + 2(-2 + 10b) = 31
-5 + (-2 * 2 + 10b * 2) = 31
-5 + (-4 + 20b) = 31

Combine like terms: -5 + -4 = -9
-9 + 20b = 31

Solving
-9 + 20b = 31

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + 20b = 31 + 9

Combine like terms: -9 + 9 = 0
0 + 20b = 31 + 9
20b = 31 + 9

Combine like terms: 31 + 9 = 40
20b = 40

Divide each side by '20'.
b = 2

Simplifying
b = 2

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