7(b-2)+2(b+4)=12

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Solution for 7(b-2)+2(b+4)=12 equation:


Simplifying
7(b + -2) + 2(b + 4) = 12

Reorder the terms:
7(-2 + b) + 2(b + 4) = 12
(-2 * 7 + b * 7) + 2(b + 4) = 12
(-14 + 7b) + 2(b + 4) = 12

Reorder the terms:
-14 + 7b + 2(4 + b) = 12
-14 + 7b + (4 * 2 + b * 2) = 12
-14 + 7b + (8 + 2b) = 12

Reorder the terms:
-14 + 8 + 7b + 2b = 12

Combine like terms: -14 + 8 = -6
-6 + 7b + 2b = 12

Combine like terms: 7b + 2b = 9b
-6 + 9b = 12

Solving
-6 + 9b = 12

Solving for variable 'b'.

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

Add '6' to each side of the equation.
-6 + 6 + 9b = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 9b = 12 + 6
9b = 12 + 6

Combine like terms: 12 + 6 = 18
9b = 18

Divide each side by '9'.
b = 2

Simplifying
b = 2

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