3(2b-4)=7-(b+8)

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Solution for 3(2b-4)=7-(b+8) equation:


Simplifying
3(2b + -4) = 7 + -1(b + 8)

Reorder the terms:
3(-4 + 2b) = 7 + -1(b + 8)
(-4 * 3 + 2b * 3) = 7 + -1(b + 8)
(-12 + 6b) = 7 + -1(b + 8)

Reorder the terms:
-12 + 6b = 7 + -1(8 + b)
-12 + 6b = 7 + (8 * -1 + b * -1)
-12 + 6b = 7 + (-8 + -1b)

Combine like terms: 7 + -8 = -1
-12 + 6b = -1 + -1b

Solving
-12 + 6b = -1 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-12 + 6b + b = -1 + -1b + b

Combine like terms: 6b + b = 7b
-12 + 7b = -1 + -1b + b

Combine like terms: -1b + b = 0
-12 + 7b = -1 + 0
-12 + 7b = -1

Add '12' to each side of the equation.
-12 + 12 + 7b = -1 + 12

Combine like terms: -12 + 12 = 0
0 + 7b = -1 + 12
7b = -1 + 12

Combine like terms: -1 + 12 = 11
7b = 11

Divide each side by '7'.
b = 1.571428571

Simplifying
b = 1.571428571

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