0.9x-0.4(10-4)=-0.5(x-4)

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Solution for 0.9x-0.4(10-4)=-0.5(x-4) equation:


Simplifying
0.9x + -0.4(10 + -4) = -0.5(x + -4)

Combine like terms: 10 + -4 = 6
0.9x + -0.4(6) = -0.5(x + -4)

Multiply -0.4 * 6
0.9x + -2.4 = -0.5(x + -4)

Reorder the terms:
-2.4 + 0.9x = -0.5(x + -4)

Reorder the terms:
-2.4 + 0.9x = -0.5(-4 + x)
-2.4 + 0.9x = (-4 * -0.5 + x * -0.5)
-2.4 + 0.9x = (2 + -0.5x)

Solving
-2.4 + 0.9x = 2 + -0.5x

Solving for variable 'x'.

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

Add '0.5x' to each side of the equation.
-2.4 + 0.9x + 0.5x = 2 + -0.5x + 0.5x

Combine like terms: 0.9x + 0.5x = 1.4x
-2.4 + 1.4x = 2 + -0.5x + 0.5x

Combine like terms: -0.5x + 0.5x = 0.0
-2.4 + 1.4x = 2 + 0.0
-2.4 + 1.4x = 2

Add '2.4' to each side of the equation.
-2.4 + 2.4 + 1.4x = 2 + 2.4

Combine like terms: -2.4 + 2.4 = 0.0
0.0 + 1.4x = 2 + 2.4
1.4x = 2 + 2.4

Combine like terms: 2 + 2.4 = 4.4
1.4x = 4.4

Divide each side by '1.4'.
x = 3.142857143

Simplifying
x = 3.142857143

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