0.9(20x-8)=4-(x+5)

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Solution for 0.9(20x-8)=4-(x+5) equation:


Simplifying
0.9(20x + -8) = 4 + -1(x + 5)

Reorder the terms:
0.9(-8 + 20x) = 4 + -1(x + 5)
(-8 * 0.9 + 20x * 0.9) = 4 + -1(x + 5)
(-7.2 + 18x) = 4 + -1(x + 5)

Reorder the terms:
-7.2 + 18x = 4 + -1(5 + x)
-7.2 + 18x = 4 + (5 * -1 + x * -1)
-7.2 + 18x = 4 + (-5 + -1x)

Combine like terms: 4 + -5 = -1
-7.2 + 18x = -1 + -1x

Solving
-7.2 + 18x = -1 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-7.2 + 18x + x = -1 + -1x + x

Combine like terms: 18x + x = 19x
-7.2 + 19x = -1 + -1x + x

Combine like terms: -1x + x = 0
-7.2 + 19x = -1 + 0
-7.2 + 19x = -1

Add '7.2' to each side of the equation.
-7.2 + 7.2 + 19x = -1 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + 19x = -1 + 7.2
19x = -1 + 7.2

Combine like terms: -1 + 7.2 = 6.2
19x = 6.2

Divide each side by '19'.
x = 0.3263157895

Simplifying
x = 0.3263157895

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