-1-4(1+4b)=123

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Solution for -1-4(1+4b)=123 equation:


Simplifying
-1 + -4(1 + 4b) = 123
-1 + (1 * -4 + 4b * -4) = 123
-1 + (-4 + -16b) = 123

Combine like terms: -1 + -4 = -5
-5 + -16b = 123

Solving
-5 + -16b = 123

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + -16b = 123 + 5

Combine like terms: -5 + 5 = 0
0 + -16b = 123 + 5
-16b = 123 + 5

Combine like terms: 123 + 5 = 128
-16b = 128

Divide each side by '-16'.
b = -8

Simplifying
b = -8

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