3(b-2)-4(2b-5)=9

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Solution for 3(b-2)-4(2b-5)=9 equation:


Simplifying
3(b + -2) + -4(2b + -5) = 9

Reorder the terms:
3(-2 + b) + -4(2b + -5) = 9
(-2 * 3 + b * 3) + -4(2b + -5) = 9
(-6 + 3b) + -4(2b + -5) = 9

Reorder the terms:
-6 + 3b + -4(-5 + 2b) = 9
-6 + 3b + (-5 * -4 + 2b * -4) = 9
-6 + 3b + (20 + -8b) = 9

Reorder the terms:
-6 + 20 + 3b + -8b = 9

Combine like terms: -6 + 20 = 14
14 + 3b + -8b = 9

Combine like terms: 3b + -8b = -5b
14 + -5b = 9

Solving
14 + -5b = 9

Solving for variable 'b'.

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

Add '-14' to each side of the equation.
14 + -14 + -5b = 9 + -14

Combine like terms: 14 + -14 = 0
0 + -5b = 9 + -14
-5b = 9 + -14

Combine like terms: 9 + -14 = -5
-5b = -5

Divide each side by '-5'.
b = 1

Simplifying
b = 1

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