23-(x-7)=42

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Solution for 23-(x-7)=42 equation:


Simplifying
23 + -1(x + -7) = 42

Reorder the terms:
23 + -1(-7 + x) = 42
23 + (-7 * -1 + x * -1) = 42
23 + (7 + -1x) = 42

Combine like terms: 23 + 7 = 30
30 + -1x = 42

Solving
30 + -1x = 42

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -1x = 42 + -30

Combine like terms: 30 + -30 = 0
0 + -1x = 42 + -30
-1x = 42 + -30

Combine like terms: 42 + -30 = 12
-1x = 12

Divide each side by '-1'.
x = -12

Simplifying
x = -12

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