3.4x+8.1=1.5x+21.4

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Solution for 3.4x+8.1=1.5x+21.4 equation: 


Simplifying
3.4x + 8.1 = 1.5x + 21.4

Reorder the terms:
8.1 + 3.4x = 1.5x + 21.4

Reorder the terms:
8.1 + 3.4x = 21.4 + 1.5x

Solving
8.1 + 3.4x = 21.4 + 1.5x

Solving for variable 'x'.

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

Add '-1.5x' to each side of the equation.
8.1 + 3.4x + -1.5x = 21.4 + 1.5x + -1.5x

Combine like terms: 3.4x + -1.5x = 1.9x
8.1 + 1.9x = 21.4 + 1.5x + -1.5x

Combine like terms: 1.5x + -1.5x = 0.0
8.1 + 1.9x = 21.4 + 0.0
8.1 + 1.9x = 21.4

Add '-8.1' to each side of the equation.
8.1 + -8.1 + 1.9x = 21.4 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + 1.9x = 21.4 + -8.1
1.9x = 21.4 + -8.1

Combine like terms: 21.4 + -8.1 = 13.3
1.9x = 13.3

Divide each side by '1.9'.
x = 7

Simplifying
x = 7

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