3(b-4)+2(2b-9)=

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Solution for 3(b-4)+2(2b-9)= equation:


Simplifying
3(b + -4) + 2(2b + -9) = 0

Reorder the terms:
3(-4 + b) + 2(2b + -9) = 0
(-4 * 3 + b * 3) + 2(2b + -9) = 0
(-12 + 3b) + 2(2b + -9) = 0

Reorder the terms:
-12 + 3b + 2(-9 + 2b) = 0
-12 + 3b + (-9 * 2 + 2b * 2) = 0
-12 + 3b + (-18 + 4b) = 0

Reorder the terms:
-12 + -18 + 3b + 4b = 0

Combine like terms: -12 + -18 = -30
-30 + 3b + 4b = 0

Combine like terms: 3b + 4b = 7b
-30 + 7b = 0

Solving
-30 + 7b = 0

Solving for variable 'b'.

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

Add '30' to each side of the equation.
-30 + 30 + 7b = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 7b = 0 + 30
7b = 0 + 30

Combine like terms: 0 + 30 = 30
7b = 30

Divide each side by '7'.
b = 4.285714286

Simplifying
b = 4.285714286

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