-20-4b=4(-9b+16)+18b

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Solution for -20-4b=4(-9b+16)+18b equation:


Simplifying
-20 + -4b = 4(-9b + 16) + 18b

Reorder the terms:
-20 + -4b = 4(16 + -9b) + 18b
-20 + -4b = (16 * 4 + -9b * 4) + 18b
-20 + -4b = (64 + -36b) + 18b

Combine like terms: -36b + 18b = -18b
-20 + -4b = 64 + -18b

Solving
-20 + -4b = 64 + -18b

Solving for variable 'b'.

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

Add '18b' to each side of the equation.
-20 + -4b + 18b = 64 + -18b + 18b

Combine like terms: -4b + 18b = 14b
-20 + 14b = 64 + -18b + 18b

Combine like terms: -18b + 18b = 0
-20 + 14b = 64 + 0
-20 + 14b = 64

Add '20' to each side of the equation.
-20 + 20 + 14b = 64 + 20

Combine like terms: -20 + 20 = 0
0 + 14b = 64 + 20
14b = 64 + 20

Combine like terms: 64 + 20 = 84
14b = 84

Divide each side by '14'.
b = 6

Simplifying
b = 6

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