2.1x-1.4=.84-3.5x

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Solution for 2.1x-1.4=.84-3.5x equation:


Simplifying
2.1x + -1.4 = 0.84 + -3.5x

Reorder the terms:
-1.4 + 2.1x = 0.84 + -3.5x

Solving
-1.4 + 2.1x = 0.84 + -3.5x

Solving for variable 'x'.

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

Add '3.5x' to each side of the equation.
-1.4 + 2.1x + 3.5x = 0.84 + -3.5x + 3.5x

Combine like terms: 2.1x + 3.5x = 5.6x
-1.4 + 5.6x = 0.84 + -3.5x + 3.5x

Combine like terms: -3.5x + 3.5x = 0.0
-1.4 + 5.6x = 0.84 + 0.0
-1.4 + 5.6x = 0.84

Add '1.4' to each side of the equation.
-1.4 + 1.4 + 5.6x = 0.84 + 1.4

Combine like terms: -1.4 + 1.4 = 0.0
0.0 + 5.6x = 0.84 + 1.4
5.6x = 0.84 + 1.4

Combine like terms: 0.84 + 1.4 = 2.24
5.6x = 2.24

Divide each side by '5.6'.
x = 0.4

Simplifying
x = 0.4

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