-4.2=-2.1x

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Solution for -4.2=-2.1x equation:


Simplifying
-4.2 = -2.1x

Solving
-4.2 = -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.
-4.2 + 2.1x = -2.1x + 2.1x

Combine like terms: -2.1x + 2.1x = 0.0
-4.2 + 2.1x = 0.0

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 2.1x = 0.0 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 2.1x = 0.0 + 4.2
2.1x = 0.0 + 4.2

Combine like terms: 0.0 + 4.2 = 4.2
2.1x = 4.2

Divide each side by '2.1'.
x = 2

Simplifying
x = 2

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