0.5x+2.1=0.9x-0.3

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Solution for 0.5x+2.1=0.9x-0.3 equation: 


Simplifying
0.5x + 2.1 = 0.9x + -0.3

Reorder the terms:
2.1 + 0.5x = 0.9x + -0.3

Reorder the terms:
2.1 + 0.5x = -0.3 + 0.9x

Solving
2.1 + 0.5x = -0.3 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
2.1 + 0.5x + -0.9x = -0.3 + 0.9x + -0.9x

Combine like terms: 0.5x + -0.9x = -0.4x
2.1 + -0.4x = -0.3 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
2.1 + -0.4x = -0.3 + 0.0
2.1 + -0.4x = -0.3

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -0.4x = -0.3 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -0.4x = -0.3 + -2.1
-0.4x = -0.3 + -2.1

Combine like terms: -0.3 + -2.1 = -2.4
-0.4x = -2.4

Divide each side by '-0.4'.
x = 6

Simplifying
x = 6

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