4-9(1+2X)=-16

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Solution for 4-9(1+2X)=-16 equation: 


Simplifying
4 + -9(1 + 2X) = -16
4 + (1 * -9 + 2X * -9) = -16
4 + (-9 + -18X) = -16

Combine like terms: 4 + -9 = -5
-5 + -18X = -16

Solving
-5 + -18X = -16

Solving for variable 'X'.

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

Add '5' to each side of the equation.
-5 + 5 + -18X = -16 + 5

Combine like terms: -5 + 5 = 0
0 + -18X = -16 + 5
-18X = -16 + 5

Combine like terms: -16 + 5 = -11
-18X = -11

Divide each side by '-18'.
X = 0.6111111111

Simplifying
X = 0.6111111111

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