4x-9(-x+-1)=20+-5

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Solution for 4x-9(-x+-1)=20+-5 equation:


Simplifying
4x + -9(-1x + -1) = 20 + -5

Reorder the terms:
4x + -9(-1 + -1x) = 20 + -5
4x + (-1 * -9 + -1x * -9) = 20 + -5
4x + (9 + 9x) = 20 + -5

Reorder the terms:
9 + 4x + 9x = 20 + -5

Combine like terms: 4x + 9x = 13x
9 + 13x = 20 + -5

Combine like terms: 20 + -5 = 15
9 + 13x = 15

Solving
9 + 13x = 15

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 13x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 13x = 15 + -9
13x = 15 + -9

Combine like terms: 15 + -9 = 6
13x = 6

Divide each side by '13'.
x = 0.4615384615

Simplifying
x = 0.4615384615

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