0.4x+4.5=0.2x-3

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Solution for 0.4x+4.5=0.2x-3 equation:


Simplifying
0.4x + 4.5 = 0.2x + -3

Reorder the terms:
4.5 + 0.4x = 0.2x + -3

Reorder the terms:
4.5 + 0.4x = -3 + 0.2x

Solving
4.5 + 0.4x = -3 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
4.5 + 0.4x + -0.2x = -3 + 0.2x + -0.2x

Combine like terms: 0.4x + -0.2x = 0.2x
4.5 + 0.2x = -3 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
4.5 + 0.2x = -3 + 0.0
4.5 + 0.2x = -3

Add '-4.5' to each side of the equation.
4.5 + -4.5 + 0.2x = -3 + -4.5

Combine like terms: 4.5 + -4.5 = 0.0
0.0 + 0.2x = -3 + -4.5
0.2x = -3 + -4.5

Combine like terms: -3 + -4.5 = -7.5
0.2x = -7.5

Divide each side by '0.2'.
x = -37.5

Simplifying
x = -37.5

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