3b-2(6-2b)=13-4

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Solution for 3b-2(6-2b)=13-4 equation:


Simplifying
3b + -2(6 + -2b) = 13 + -4
3b + (6 * -2 + -2b * -2) = 13 + -4
3b + (-12 + 4b) = 13 + -4

Reorder the terms:
-12 + 3b + 4b = 13 + -4

Combine like terms: 3b + 4b = 7b
-12 + 7b = 13 + -4

Combine like terms: 13 + -4 = 9
-12 + 7b = 9

Solving
-12 + 7b = 9

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + 7b = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 7b = 9 + 12
7b = 9 + 12

Combine like terms: 9 + 12 = 21
7b = 21

Divide each side by '7'.
b = 3

Simplifying
b = 3

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