-7.9=x-(-3.72)

Solution for -7.9=x-(-3.72) equation:

Simplifying
-7.9 = x + -1(-3.72)

Multiply -1 * -3.72
-7.9 = x + 3.72

Reorder the terms:
-7.9 = 3.72 + x

Solving
-7.9 = 3.72 + 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.
-7.9 + -1x = 3.72 + x + -1x

Combine like terms: x + -1x = 0
-7.9 + -1x = 3.72 + 0
-7.9 + -1x = 3.72

Add '7.9' to each side of the equation.
-7.9 + 7.9 + -1x = 3.72 + 7.9

Combine like terms: -7.9 + 7.9 = 0.0
0.0 + -1x = 3.72 + 7.9
-1x = 3.72 + 7.9

Combine like terms: 3.72 + 7.9 = 11.62
-1x = 11.62

Divide each side by '-1'.
x = -11.62

Simplifying
x = -11.62