-3(2-5b)-4(2+4b)=b+5+1+8b

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Solution for -3(2-5b)-4(2+4b)=b+5+1+8b equation:


Simplifying
-3(2 + -5b) + -4(2 + 4b) = b + 5 + 1 + 8b
(2 * -3 + -5b * -3) + -4(2 + 4b) = b + 5 + 1 + 8b
(-6 + 15b) + -4(2 + 4b) = b + 5 + 1 + 8b
-6 + 15b + (2 * -4 + 4b * -4) = b + 5 + 1 + 8b
-6 + 15b + (-8 + -16b) = b + 5 + 1 + 8b

Reorder the terms:
-6 + -8 + 15b + -16b = b + 5 + 1 + 8b

Combine like terms: -6 + -8 = -14
-14 + 15b + -16b = b + 5 + 1 + 8b

Combine like terms: 15b + -16b = -1b
-14 + -1b = b + 5 + 1 + 8b

Reorder the terms:
-14 + -1b = 5 + 1 + b + 8b

Combine like terms: 5 + 1 = 6
-14 + -1b = 6 + b + 8b

Combine like terms: b + 8b = 9b
-14 + -1b = 6 + 9b

Solving
-14 + -1b = 6 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-14 + -1b + -9b = 6 + 9b + -9b

Combine like terms: -1b + -9b = -10b
-14 + -10b = 6 + 9b + -9b

Combine like terms: 9b + -9b = 0
-14 + -10b = 6 + 0
-14 + -10b = 6

Add '14' to each side of the equation.
-14 + 14 + -10b = 6 + 14

Combine like terms: -14 + 14 = 0
0 + -10b = 6 + 14
-10b = 6 + 14

Combine like terms: 6 + 14 = 20
-10b = 20

Divide each side by '-10'.
b = -2

Simplifying
b = -2

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