-1.3-(-2.69)=x

Solution for -1.3-(-2.69)=x equation:

Simplifying
-1.3 + -1(-2.69) = x

Multiply -1 * -2.69
-1.3 + 2.69 = x

Combine like terms: -1.3 + 2.69 = 1.39
1.39 = x

Solving
1.39 = 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.
1.39 + -1x = x + -1x

Combine like terms: x + -1x = 0
1.39 + -1x = 0

Add '-1.39' to each side of the equation.
1.39 + -1.39 + -1x = 0 + -1.39

Combine like terms: 1.39 + -1.39 = 0.00
0.00 + -1x = 0 + -1.39
-1x = 0 + -1.39

Combine like terms: 0 + -1.39 = -1.39
-1x = -1.39

Divide each side by '-1'.
x = 1.39

Simplifying
x = 1.39