0.9x-0.2(15-5x)=0.4(x-4)

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Solution for 0.9x-0.2(15-5x)=0.4(x-4) equation:


Simplifying
0.9x + -0.2(15 + -5x) = 0.4(x + -4)
0.9x + (15 * -0.2 + -5x * -0.2) = 0.4(x + -4)
0.9x + (-3 + 1x) = 0.4(x + -4)

Reorder the terms:
-3 + 0.9x + 1x = 0.4(x + -4)

Combine like terms: 0.9x + 1x = 1.9x
-3 + 1.9x = 0.4(x + -4)

Reorder the terms:
-3 + 1.9x = 0.4(-4 + x)
-3 + 1.9x = (-4 * 0.4 + x * 0.4)
-3 + 1.9x = (-1.6 + 0.4x)

Solving
-3 + 1.9x = -1.6 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
-3 + 1.9x + -0.4x = -1.6 + 0.4x + -0.4x

Combine like terms: 1.9x + -0.4x = 1.5x
-3 + 1.5x = -1.6 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-3 + 1.5x = -1.6 + 0.0
-3 + 1.5x = -1.6

Add '3' to each side of the equation.
-3 + 3 + 1.5x = -1.6 + 3

Combine like terms: -3 + 3 = 0
0 + 1.5x = -1.6 + 3
1.5x = -1.6 + 3

Combine like terms: -1.6 + 3 = 1.4
1.5x = 1.4

Divide each side by '1.5'.
x = 0.9333333333

Simplifying
x = 0.9333333333

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