-1.3(-1.2)+0.4=x

Solution for -1.3(-1.2)+0.4=x equation:

Simplifying
-1.3(-1.2) + 0.4 = x

Multiply -1.3 * -1.2
1.56 + 0.4 = x

Combine like terms: 1.56 + 0.4 = 1.96
1.96 = x

Solving
1.96 = 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.
1.96 + -1x = x + -1x

Combine like terms: x + -1x = 0
1.96 + -1x = 0

Add '-1.96' to each side of the equation.
1.96 + -1.96 + -1x = 0 + -1.96

Combine like terms: 1.96 + -1.96 = 0.00
0.00 + -1x = 0 + -1.96
-1x = 0 + -1.96

Combine like terms: 0 + -1.96 = -1.96
-1x = -1.96

Divide each side by '-1'.
x = 1.96

Simplifying
x = 1.96