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

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


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

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

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

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

Combine like terms: -4 + 20 = 16
16 + 4x + -9x = 4

Combine like terms: 4x + -9x = -5x
16 + -5x = 4

Solving
16 + -5x = 4

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + -5x = 4 + -16

Combine like terms: 16 + -16 = 0
0 + -5x = 4 + -16
-5x = 4 + -16

Combine like terms: 4 + -16 = -12
-5x = -12

Divide each side by '-5'.
x = 2.4

Simplifying
x = 2.4

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