-9=2.8+x

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Solution for -9=2.8+x equation:


Simplifying
-9 = 2.8 + x

Solving
-9 = 2.8 + 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.
-9 + -1x = 2.8 + x + -1x

Combine like terms: x + -1x = 0
-9 + -1x = 2.8 + 0
-9 + -1x = 2.8

Add '9' to each side of the equation.
-9 + 9 + -1x = 2.8 + 9

Combine like terms: -9 + 9 = 0
0 + -1x = 2.8 + 9
-1x = 2.8 + 9

Combine like terms: 2.8 + 9 = 11.8
-1x = 11.8

Divide each side by '-1'.
x = -11.8

Simplifying
x = -11.8

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