20+(-6)-(-7)-4=x

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Solution for 20+(-6)-(-7)-4=x equation:


Simplifying
20 + (-6) + -1(-7) + -4 = x
20 + -6 + -1(-7) + -4 = x

Multiply -1 * -7
20 + -6 + 7 + -4 = x

Combine like terms: 20 + -6 = 14
14 + 7 + -4 = x

Combine like terms: 14 + 7 = 21
21 + -4 = x

Combine like terms: 21 + -4 = 17
17 = x

Solving
17 = 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.
17 + -1x = x + -1x

Combine like terms: x + -1x = 0
17 + -1x = 0

Add '-17' to each side of the equation.
17 + -17 + -1x = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -1x = 0 + -17
-1x = 0 + -17

Combine like terms: 0 + -17 = -17
-1x = -17

Divide each side by '-1'.
x = 17

Simplifying
x = 17

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