0.5(x-0.2)+0.8x=0.4(x+1.2)-2.47

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Solution for 0.5(x-0.2)+0.8x=0.4(x+1.2)-2.47 equation:


Simplifying
0.5(x + -0.2) + 0.8x = 0.4(x + 1.2) + -2.47

Reorder the terms:
0.5(-0.2 + x) + 0.8x = 0.4(x + 1.2) + -2.47
(-0.2 * 0.5 + x * 0.5) + 0.8x = 0.4(x + 1.2) + -2.47
(-0.1 + 0.5x) + 0.8x = 0.4(x + 1.2) + -2.47

Combine like terms: 0.5x + 0.8x = 1.3x
-0.1 + 1.3x = 0.4(x + 1.2) + -2.47

Reorder the terms:
-0.1 + 1.3x = 0.4(1.2 + x) + -2.47
-0.1 + 1.3x = (1.2 * 0.4 + x * 0.4) + -2.47
-0.1 + 1.3x = (0.48 + 0.4x) + -2.47

Reorder the terms:
-0.1 + 1.3x = 0.48 + -2.47 + 0.4x

Combine like terms: 0.48 + -2.47 = -1.99
-0.1 + 1.3x = -1.99 + 0.4x

Solving
-0.1 + 1.3x = -1.99 + 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.
-0.1 + 1.3x + -0.4x = -1.99 + 0.4x + -0.4x

Combine like terms: 1.3x + -0.4x = 0.9x
-0.1 + 0.9x = -1.99 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-0.1 + 0.9x = -1.99 + 0.0
-0.1 + 0.9x = -1.99

Add '0.1' to each side of the equation.
-0.1 + 0.1 + 0.9x = -1.99 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + 0.9x = -1.99 + 0.1
0.9x = -1.99 + 0.1

Combine like terms: -1.99 + 0.1 = -1.89
0.9x = -1.89

Divide each side by '0.9'.
x = -2.1

Simplifying
x = -2.1

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