2(9b-4)+9-7(4+2b)=

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Solution for 2(9b-4)+9-7(4+2b)= equation:


Simplifying
2(9b + -4) + 9 + -7(4 + 2b) = 0

Reorder the terms:
2(-4 + 9b) + 9 + -7(4 + 2b) = 0
(-4 * 2 + 9b * 2) + 9 + -7(4 + 2b) = 0
(-8 + 18b) + 9 + -7(4 + 2b) = 0
-8 + 18b + 9 + (4 * -7 + 2b * -7) = 0
-8 + 18b + 9 + (-28 + -14b) = 0

Reorder the terms:
-8 + 9 + -28 + 18b + -14b = 0

Combine like terms: -8 + 9 = 1
1 + -28 + 18b + -14b = 0

Combine like terms: 1 + -28 = -27
-27 + 18b + -14b = 0

Combine like terms: 18b + -14b = 4b
-27 + 4b = 0

Solving
-27 + 4b = 0

Solving for variable 'b'.

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

Add '27' to each side of the equation.
-27 + 27 + 4b = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 4b = 0 + 27
4b = 0 + 27

Combine like terms: 0 + 27 = 27
4b = 27

Divide each side by '4'.
b = 6.75

Simplifying
b = 6.75

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