0.9(0.4x+2.5)-2.5=-1.9(0.8x+3.1)

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Solution for 0.9(0.4x+2.5)-2.5=-1.9(0.8x+3.1) equation:


Simplifying
0.9(0.4x + 2.5) + -2.5 = -1.9(0.8x + 3.1)

Reorder the terms:
0.9(2.5 + 0.4x) + -2.5 = -1.9(0.8x + 3.1)
(2.5 * 0.9 + 0.4x * 0.9) + -2.5 = -1.9(0.8x + 3.1)
(2.25 + 0.36x) + -2.5 = -1.9(0.8x + 3.1)

Reorder the terms:
2.25 + -2.5 + 0.36x = -1.9(0.8x + 3.1)

Combine like terms: 2.25 + -2.5 = -0.25
-0.25 + 0.36x = -1.9(0.8x + 3.1)

Reorder the terms:
-0.25 + 0.36x = -1.9(3.1 + 0.8x)
-0.25 + 0.36x = (3.1 * -1.9 + 0.8x * -1.9)
-0.25 + 0.36x = (-5.89 + -1.52x)

Solving
-0.25 + 0.36x = -5.89 + -1.52x

Solving for variable 'x'.

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

Add '1.52x' to each side of the equation.
-0.25 + 0.36x + 1.52x = -5.89 + -1.52x + 1.52x

Combine like terms: 0.36x + 1.52x = 1.88x
-0.25 + 1.88x = -5.89 + -1.52x + 1.52x

Combine like terms: -1.52x + 1.52x = 0.00
-0.25 + 1.88x = -5.89 + 0.00
-0.25 + 1.88x = -5.89

Add '0.25' to each side of the equation.
-0.25 + 0.25 + 1.88x = -5.89 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + 1.88x = -5.89 + 0.25
1.88x = -5.89 + 0.25

Combine like terms: -5.89 + 0.25 = -5.64
1.88x = -5.64

Divide each side by '1.88'.
x = -3

Simplifying
x = -3

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