0.3x-0.5(2x+5)=-0.8(x+4)

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Solution for 0.3x-0.5(2x+5)=-0.8(x+4) equation:


Simplifying
0.3x + -0.5(2x + 5) = -0.8(x + 4)

Reorder the terms:
0.3x + -0.5(5 + 2x) = -0.8(x + 4)
0.3x + (5 * -0.5 + 2x * -0.5) = -0.8(x + 4)
0.3x + (-2.5 + -1x) = -0.8(x + 4)

Reorder the terms:
-2.5 + 0.3x + -1x = -0.8(x + 4)

Combine like terms: 0.3x + -1x = -0.7x
-2.5 + -0.7x = -0.8(x + 4)

Reorder the terms:
-2.5 + -0.7x = -0.8(4 + x)
-2.5 + -0.7x = (4 * -0.8 + x * -0.8)
-2.5 + -0.7x = (-3.2 + -0.8x)

Solving
-2.5 + -0.7x = -3.2 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
-2.5 + -0.7x + 0.8x = -3.2 + -0.8x + 0.8x

Combine like terms: -0.7x + 0.8x = 0.1x
-2.5 + 0.1x = -3.2 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
-2.5 + 0.1x = -3.2 + 0.0
-2.5 + 0.1x = -3.2

Add '2.5' to each side of the equation.
-2.5 + 2.5 + 0.1x = -3.2 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + 0.1x = -3.2 + 2.5
0.1x = -3.2 + 2.5

Combine like terms: -3.2 + 2.5 = -0.7
0.1x = -0.7

Divide each side by '0.1'.
x = -7

Simplifying
x = -7

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