7.8-x-2.1=6.3

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Solution for 7.8-x-2.1=6.3 equation:


Simplifying
7.8 + -1x + -2.1 = 6.3

Reorder the terms:
7.8 + -2.1 + -1x = 6.3

Combine like terms: 7.8 + -2.1 = 5.7
5.7 + -1x = 6.3

Solving
5.7 + -1x = 6.3

Solving for variable 'x'.

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

Add '-5.7' to each side of the equation.
5.7 + -5.7 + -1x = 6.3 + -5.7

Combine like terms: 5.7 + -5.7 = 0.0
0.0 + -1x = 6.3 + -5.7
-1x = 6.3 + -5.7

Combine like terms: 6.3 + -5.7 = 0.6
-1x = 0.6

Divide each side by '-1'.
x = -0.6

Simplifying
x = -0.6

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