2.1x-5.25=3.15-3.5x

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Solution for 2.1x-5.25=3.15-3.5x equation: 


Simplifying
2.1x + -5.25 = 3.15 + -3.5x

Reorder the terms:
-5.25 + 2.1x = 3.15 + -3.5x

Solving
-5.25 + 2.1x = 3.15 + -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.
-5.25 + 2.1x + 3.5x = 3.15 + -3.5x + 3.5x

Combine like terms: 2.1x + 3.5x = 5.6x
-5.25 + 5.6x = 3.15 + -3.5x + 3.5x

Combine like terms: -3.5x + 3.5x = 0.0
-5.25 + 5.6x = 3.15 + 0.0
-5.25 + 5.6x = 3.15

Add '5.25' to each side of the equation.
-5.25 + 5.25 + 5.6x = 3.15 + 5.25

Combine like terms: -5.25 + 5.25 = 0.00
0.00 + 5.6x = 3.15 + 5.25
5.6x = 3.15 + 5.25

Combine like terms: 3.15 + 5.25 = 8.4
5.6x = 8.4

Divide each side by '5.6'.
x = 1.5

Simplifying
x = 1.5

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