0.5x+3=0.4x+15

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Solution for 0.5x+3=0.4x+15 equation:


Simplifying
0.5x + 3 = 0.4x + 15

Reorder the terms:
3 + 0.5x = 0.4x + 15

Reorder the terms:
3 + 0.5x = 15 + 0.4x

Solving
3 + 0.5x = 15 + 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 + 0.5x + -0.4x = 15 + 0.4x + -0.4x

Combine like terms: 0.5x + -0.4x = 0.1x
3 + 0.1x = 15 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
3 + 0.1x = 15 + 0.0
3 + 0.1x = 15

Add '-3' to each side of the equation.
3 + -3 + 0.1x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 0.1x = 15 + -3
0.1x = 15 + -3

Combine like terms: 15 + -3 = 12
0.1x = 12

Divide each side by '0.1'.
x = 120

Simplifying
x = 120

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