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

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


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

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

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

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

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

Solving
-9 + -5x = 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 + -5x = 15 + 9

Combine like terms: -9 + 9 = 0
0 + -5x = 15 + 9
-5x = 15 + 9

Combine like terms: 15 + 9 = 24
-5x = 24

Divide each side by '-5'.
x = -4.8

Simplifying
x = -4.8

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