0.9x+3=0.4x+1.5

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Solution for 0.9x+3=0.4x+1.5 equation:


Simplifying
0.9x + 3 = 0.4x + 1.5

Reorder the terms:
3 + 0.9x = 0.4x + 1.5

Reorder the terms:
3 + 0.9x = 1.5 + 0.4x

Solving
3 + 0.9x = 1.5 + 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.
3 + 0.9x + -0.4x = 1.5 + 0.4x + -0.4x

Combine like terms: 0.9x + -0.4x = 0.5x
3 + 0.5x = 1.5 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
3 + 0.5x = 1.5 + 0.0
3 + 0.5x = 1.5

Add '-3' to each side of the equation.
3 + -3 + 0.5x = 1.5 + -3

Combine like terms: 3 + -3 = 0
0 + 0.5x = 1.5 + -3
0.5x = 1.5 + -3

Combine like terms: 1.5 + -3 = -1.5
0.5x = -1.5

Divide each side by '0.5'.
x = -3

Simplifying
x = -3

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