3.1x-4=2.1x

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Solution for 3.1x-4=2.1x equation:


Simplifying
3.1x + -4 = 2.1x

Reorder the terms:
-4 + 3.1x = 2.1x

Solving
-4 + 3.1x = 2.1x

Solving for variable 'x'.

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

Add '-2.1x' to each side of the equation.
-4 + 3.1x + -2.1x = 2.1x + -2.1x

Combine like terms: 3.1x + -2.1x = 1x
-4 + 1x = 2.1x + -2.1x

Combine like terms: 2.1x + -2.1x = 0.0
-4 + 1x = 0.0

Add '4' to each side of the equation.
-4 + 4 + 1x = 0.0 + 4

Combine like terms: -4 + 4 = 0
0 + 1x = 0.0 + 4
1x = 0.0 + 4

Combine like terms: 0.0 + 4 = 4
1x = 4

Divide each side by '1'.
x = 4

Simplifying
x = 4

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