20-(x+3)=10

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Solution for 20-(x+3)=10 equation:


Simplifying
20 + -1(x + 3) = 10

Reorder the terms:
20 + -1(3 + x) = 10
20 + (3 * -1 + x * -1) = 10
20 + (-3 + -1x) = 10

Combine like terms: 20 + -3 = 17
17 + -1x = 10

Solving
17 + -1x = 10

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-17' to each side of the equation.
17 + -17 + -1x = 10 + -17

Combine like terms: 17 + -17 = 0
0 + -1x = 10 + -17
-1x = 10 + -17

Combine like terms: 10 + -17 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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