3x-2.8=4.2-4x

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Solution for 3x-2.8=4.2-4x equation:


Simplifying
3x + -2.8 = 4.2 + -4x

Reorder the terms:
-2.8 + 3x = 4.2 + -4x

Solving
-2.8 + 3x = 4.2 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-2.8 + 3x + 4x = 4.2 + -4x + 4x

Combine like terms: 3x + 4x = 7x
-2.8 + 7x = 4.2 + -4x + 4x

Combine like terms: -4x + 4x = 0
-2.8 + 7x = 4.2 + 0
-2.8 + 7x = 4.2

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 7x = 4.2 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 7x = 4.2 + 2.8
7x = 4.2 + 2.8

Combine like terms: 4.2 + 2.8 = 7
7x = 7

Divide each side by '7'.
x = 1

Simplifying
x = 1

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