6.9=-4+x

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Solution for 6.9=-4+x equation:


Simplifying
6.9 = -4 + x

Solving
6.9 = -4 + 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.
6.9 + -1x = -4 + x + -1x

Combine like terms: x + -1x = 0
6.9 + -1x = -4 + 0
6.9 + -1x = -4

Add '-6.9' to each side of the equation.
6.9 + -6.9 + -1x = -4 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + -1x = -4 + -6.9
-1x = -4 + -6.9

Combine like terms: -4 + -6.9 = -10.9
-1x = -10.9

Divide each side by '-1'.
x = 10.9

Simplifying
x = 10.9

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