4+-(9-7)+343=x

Solution for 4+-(9-7)+343=x equation:

Simplifying
4 + -1(9 + -7) + 343 = x

Combine like terms: 9 + -7 = 2
4 + -1(2) + 343 = x

Multiply -1 * 2
4 + -2 + 343 = x

Combine like terms: 4 + -2 = 2
2 + 343 = x

Combine like terms: 2 + 343 = 345
345 = x

Solving
345 = 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.
345 + -1x = x + -1x

Combine like terms: x + -1x = 0
345 + -1x = 0

Add '-345' to each side of the equation.
345 + -345 + -1x = 0 + -345

Combine like terms: 345 + -345 = 0
0 + -1x = 0 + -345
-1x = 0 + -345

Combine like terms: 0 + -345 = -345
-1x = -345

Divide each side by '-1'.
x = 345

Simplifying
x = 345