0.5(x-5)-2(x-5)=0.4(x-5)

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Solution for 0.5(x-5)-2(x-5)=0.4(x-5) equation:


Simplifying
0.5(x + -5) + -2(x + -5) = 0.4(x + -5)

Reorder the terms:
0.5(-5 + x) + -2(x + -5) = 0.4(x + -5)
(-5 * 0.5 + x * 0.5) + -2(x + -5) = 0.4(x + -5)
(-2.5 + 0.5x) + -2(x + -5) = 0.4(x + -5)

Reorder the terms:
-2.5 + 0.5x + -2(-5 + x) = 0.4(x + -5)
-2.5 + 0.5x + (-5 * -2 + x * -2) = 0.4(x + -5)
-2.5 + 0.5x + (10 + -2x) = 0.4(x + -5)

Reorder the terms:
-2.5 + 10 + 0.5x + -2x = 0.4(x + -5)

Combine like terms: -2.5 + 10 = 7.5
7.5 + 0.5x + -2x = 0.4(x + -5)

Combine like terms: 0.5x + -2x = -1.5x
7.5 + -1.5x = 0.4(x + -5)

Reorder the terms:
7.5 + -1.5x = 0.4(-5 + x)
7.5 + -1.5x = (-5 * 0.4 + x * 0.4)
7.5 + -1.5x = (-2 + 0.4x)

Solving
7.5 + -1.5x = -2 + 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.
7.5 + -1.5x + -0.4x = -2 + 0.4x + -0.4x

Combine like terms: -1.5x + -0.4x = -1.9x
7.5 + -1.9x = -2 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
7.5 + -1.9x = -2 + 0.0
7.5 + -1.9x = -2

Add '-7.5' to each side of the equation.
7.5 + -7.5 + -1.9x = -2 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + -1.9x = -2 + -7.5
-1.9x = -2 + -7.5

Combine like terms: -2 + -7.5 = -9.5
-1.9x = -9.5

Divide each side by '-1.9'.
x = 5

Simplifying
x = 5

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