x-(-7.8)=1

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Solution for x-(-7.8)=1 equation: 


Simplifying
x + -1(-7.8) = 1

Multiply -1 * -7.8
x + 7.8 = 1

Reorder the terms:
7.8 + x = 1

Solving
7.8 + x = 1

Solving for variable 'x'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + x = 1 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + x = 1 + -7.8
x = 1 + -7.8

Combine like terms: 1 + -7.8 = -6.8
x = -6.8

Simplifying
x = -6.8

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