1.7-(1.6-20.2)=x

Solution for 1.7-(1.6-20.2)=x equation:

Simplifying
1.7 + -1(1.6 + -20.2) = x

Combine like terms: 1.6 + -20.2 = -18.6
1.7 + -1(-18.6) = x

Multiply -1 * -18.6
1.7 + 18.6 = x

Combine like terms: 1.7 + 18.6 = 20.3
20.3 = x

Solving
20.3 = 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.
20.3 + -1x = x + -1x

Combine like terms: x + -1x = 0
20.3 + -1x = 0

Add '-20.3' to each side of the equation.
20.3 + -20.3 + -1x = 0 + -20.3

Combine like terms: 20.3 + -20.3 = 0.0
0.0 + -1x = 0 + -20.3
-1x = 0 + -20.3

Combine like terms: 0 + -20.3 = -20.3
-1x = -20.3

Divide each side by '-1'.
x = 20.3

Simplifying
x = 20.3