20-9(4x-1)=15

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Solution for 20-9(4x-1)=15 equation:


Simplifying
20 + -9(4x + -1) = 15

Reorder the terms:
20 + -9(-1 + 4x) = 15
20 + (-1 * -9 + 4x * -9) = 15
20 + (9 + -36x) = 15

Combine like terms: 20 + 9 = 29
29 + -36x = 15

Solving
29 + -36x = 15

Solving for variable 'x'.

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

Add '-29' to each side of the equation.
29 + -29 + -36x = 15 + -29

Combine like terms: 29 + -29 = 0
0 + -36x = 15 + -29
-36x = 15 + -29

Combine like terms: 15 + -29 = -14
-36x = -14

Divide each side by '-36'.
x = 0.3888888889

Simplifying
x = 0.3888888889

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