5.2x-18.9-2.1=-4.2+x

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Solution for 5.2x-18.9-2.1=-4.2+x equation:


Simplifying
5.2x + -18.9 + -2.1 = -4.2 + x

Reorder the terms:
-18.9 + -2.1 + 5.2x = -4.2 + x

Combine like terms: -18.9 + -2.1 = -21
-21 + 5.2x = -4.2 + x

Solving
-21 + 5.2x = -4.2 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-21 + 5.2x + -1x = -4.2 + x + -1x

Combine like terms: 5.2x + -1x = 4.2x
-21 + 4.2x = -4.2 + x + -1x

Combine like terms: x + -1x = 0
-21 + 4.2x = -4.2 + 0
-21 + 4.2x = -4.2

Add '21' to each side of the equation.
-21 + 21 + 4.2x = -4.2 + 21

Combine like terms: -21 + 21 = 0
0 + 4.2x = -4.2 + 21
4.2x = -4.2 + 21

Combine like terms: -4.2 + 21 = 16.8
4.2x = 16.8

Divide each side by '4.2'.
x = 4

Simplifying
x = 4

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